How to Fix QuickBooks Error Code 3100

Quickbooks Errors Solution

QuickBooks is one of the best and most used accounting software but it is also prone to several errors that may act as an obstruction in your work. One such error Code is QuickBooks Error Code 3100. This error is mostly encountered by the businesses that deal with the vendors and shoppers. This error generally occurs when there are 2 customers, vendors or account with a similar name is present.

Symptoms of QuickBooks Error 3100

  • Your application will crash after you have received the error.
  • Your windows OS will slow down and gradually crash or freeze.
  • Your system may freeze in intervals.

Causes of QuickBooks Error 3100

  • QuickBooks do not allow the vendor or the customer to have the same.
  • When the Sales force is trying to sync a previously present account for your QuickBooks software then a duplicity Sales Accounts will be issues that will result in QuickBooks Error Code 3100.


Banking Error mostly occurs when your bank accounts credentials do not match with the financial institution (FI) has on the file.

Fix For QuickBooks Error Code 3100:

Solutions below will help you in rectifying your QuickBooks Error Code 3100.

Solution I: Run the Repair tool (Account Mather)

  • Ensure that QuickBooks Customer option is active for your application.
  • It should not be listed as a Vendor or present in the List of the Other Names section.
  • Run the Account Mather tool on your system. You can browse for the data Syncs web dashboard on your PC where you have stored the DataSynch. To open it follow the steps below:
    • From your Start menu, go to Programs.
    • Click on Pervasive Data Syn-ch and then press the option Data Synch Web interface.
  • Once this procedure is completed, your Customer ID will be displayed on your Sales Account.

Solution II: Two sales force

  • Sign in to your Sales force account.
  • Browse for the Accounts tab and click it.
  • Press the Merge accounts link from the windows’ right corner.
  • In the designated section, write down the name of the duplicate account and merge it.
  • Check that the value in the Customer List ID is not deleted.

QuickBooks Error Support

The experts have recommended the solutions which are mentioned above. In case, you need some assistance in resolving the errors or you are unable to understand the steps, it is suggested that you seek assistance from the BigXperts. They are a consultancy that provides 24*7 assistance across the globe for various accounting software like QuickBooks. You can visit their website and request for the Online Chat Assistance. You just have to click on the Live chat dialog box. In the search option, you will have to type your queries and press Enter from your keyboard and the expert who is available online will immediately come to your assistance. You can even give a call on their toll-free helpline number +1-888-300-3913. This way you can easily talk with them and they will provide you with the best possible solution for all your QuickBooks related queries.

How to fix the Runtime Error 3100 Quickbooks Error Code 3100

This article features error number Code 3100, commonly known as Quickbooks Error Code 3100 described as Error 3100: QuickBooks has encountered a problem and needs to close. We are sorry for the inconvenience.

Error Information

Error name: Quickbooks Error Code 3100
Error number: Error 3100
Description: Error 3100: QuickBooks has encountered a problem and needs to close. We are sorry for the inconvenience.
Software: QuickBooks
Developer: Intuit Inc.

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About Runtime Error 3100

Runtime Error 3100 happens when QuickBooks fails or crashes whilst it’s running, hence its name. It doesn’t necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.

Definitions (Beta)

Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!

  • Error code – An error code is a value returned to provide context on why an error occurred
  • Quickbooks – QuickBooks is popular small to medium-sized business accounting software created by Intuit, Inc QuickBooks ProPremierEnterprise for Windows all include support for programmatic access to QuickBooks via Intuit’s SDKXML-based APIs
Symptoms of Code 3100 – Quickbooks Error Code 3100

Runtime errors happen without warning. The error message can come up the screen anytime QuickBooks is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.

There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.

(For illustrative purposes only)

Causes of Quickbooks Error Code 3100 – Error 3100

During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.

Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.

Repair Methods

Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.

If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.

Please note: Neither nor it’s writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page – you complete these steps at your own risk.Method 1 – Close Conflicting Programsup vote0down voteWhen you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.

  • Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
  • Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
  • You will need to observe if the error message will reoccur each time you stop a process.
  • Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.

Method 2 – Update / Reinstall Conflicting Programsup vote0down voteUsing Control Panel

  • For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
  • For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
  • For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
  • Once inside Programs and Features, click the problem program and click Update or Uninstall.
  • If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application’s installation disk to reinstall the program.

Using Other Methods

  • For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
  • For Windows 10, you may click Start, then Settings, then choose Apps.
  • Scroll down to see the list of Apps and features installed in your computer.
  • Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.

Method 3 – Update your Virus protection program or download and install the latest Windows Updateup vote0down voteVirus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.Method 4 – Re-install Runtime Librariesup vote0down voteYou might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.

  • Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
  • Click Uninstall on top of the list, and when it is done, reboot your computer.
  • Download the latest redistributable package from Microsoft then install it.

Method 5 – Run Disk Cleanupup vote0down voteYou might also be experiencing runtime error because of a very low free space on your computer.

  • You should consider backing up your files and freeing up space on your hard drive
  • You can also clear your cache and reboot your computer
  • You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
  • Click Properties and then click Disk Cleanup

Method 6 – Reinstall Your Graphics Driverup vote0down voteIf the error is related to a bad graphics driver, then you may do the following:

  • Open your Device Manager, locate the graphics driver
  • Right click the video card driver then click uninstall, then restart your computer

Method 7 – IE related Runtime Errorup vote0down voteIf the error you are getting is related to the Internet Explorer, you may do the following:

  1. Reset your browser.
    • For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
    • For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
  2. Disable script debugging and error notifications.
    • On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
    • Put a check mark on the radio button
    • At the same time, uncheck the “Display a Notification about every Script Error” item and then click Apply and OK, then reboot your computer.

If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.

QuickBooks Error Code 3100

QuickBooks accounting software is one of best accounting software that helps you in creating invoices, spreadsheets, charts and other plans. The best part about the QuickBooks software is that it can easily be customized as per your requirements. QuickBooks software comes with so many great features that help you in increasing profit in your business but sometimes it can also fall into some errors that can hinder your work. QuickBooks Error 3100 is one of them which considered as one of the most common but critical issues in the QuickBooks software. This error indicates that the two customers, vendors or salesforce accounts have same name. The error code 3100 comes up with the following error message:

Customer Insert/Update Error – [CustomerName] – 3100 – The name “[CustomerName]” of the list element is already in use.

What Causes The Error Code 3100 In QuickBooks?

  • You have attempted to sync a customer in QuickBooks having Salesforce account was not successful because that name already exists in the QuickBooks software. The error is occurring because QuickBooks does not allow you to store multiple customers or vendors having same name.
  • Salesforce account customer trying to be synced already exists within the QuickBooks that is creating the situation of duplicate Salesforce account and causing the error code 3100.

Resolve QuickBooks Error 3100

The error code 3100 generally occurs due to above mentioned two factors and both causes can easily be resolved manually by performing the guidelines provided by the Intuit itself. So, according to the causes, there are two different that can be performed to resolve the error. Steps to resolve QuickBooks Error Code 3100 are as given below:

Method 1:

Before starting the process, you need to ensure that QuickBooks Customer is Active and it is also not listed as vendor or mentioned in the List menu under Other Names field.

  • Now, run thr Account Matcher tool through DataSync Web Dashboard located on the system where the DataSync is located. Go to Start -> Programs -> Pervasive DataSynch -> DataSynch Web Interface
  • Once the process finishes, fill the Customer ListID category from the Salesforce account

The error code 3100 should get resolved if the error has occurred because of the multiple vendors or customer have same name. If the error still persists, then move on to the next steps.

Method 2:

  • Login to Salesforce account using the appropriate credentials
  • Go to the Accounts tab
  • Click on Merge Accounts from the bottom right corner of the window
  • Now enter the name of duplicate account and then validate to merge them. The value mentioned in the Customer ListID should not be removed.

Reach Us For Support

The above two mentioned steps will allow you to resolve QuickBooks Error Code 3100 manually. As we have already mentioned that there are only two factors that leads to the occurrence of this error and that’s why there are only two methods to resolve this error manually. If you are still facing the error then reinstalling QuickBooks software can also help you in resolving the error sometimes. But if all the methods could not resolve the error code then last thing that you need to do is contacting the certified ProAdvisors of 

How To Troubleshoot QuickBooks Error 3100?

If you are a small or mid-size business owner and using QuickBooks for managing your day to day tasks then you are already ahead of your competition. QuickBooks offers several time saving features like create invoices, spreadsheets, charts, manage payroll, manage inventory, etc. But sometimes while working on the powerful accounting software, users start facing errors like the QuickBooks Error 3100. If you are facing this error then immediately contact the QuickBooks Technical Department as this is a critical error.

You can connect with the QB Experts by dialing the 24×7 QuickBooks Technical Support Number +1800-366-1468 or by tapping on the QuickBooks Live Chat Support icon on the bottom-right corner of your screen.

The QuickBooks Error 3100 implies that two customers, vendors or salesforce accounts have identical names. You will get this error message on your screen along with the error code 3100:

Customer Insert/Update Error – [CustomerName] – 3100 – The name “[CustomerName]” of the list element is already in use.

What Causes The Error Code 3100 In QuickBooks?

  • In most cases, users start facing this error when they try to sync a customer in QB with Salesforce account. But the process was not successful as that name is already in use in QB. An error code will pop-up on your monitor screen because QB does not accept or store multiple customers or vendors with an identical name.
  • The Salesforce account customer that you are attempting to sync already exists within QB. This creates a problem of duplicacy in the date and it triggers the QuickBooks error 3100.

Steps To Resolve QuickBooks Error 3100

Resolving the QuickBooks Error Code 3100 is a simple process. All you have to do is follow the two solutions given below and then perform them on your computer. All the steps given below are completely safe and will not cause any harm to your data files.

But if you don’t want to take any chances then you can call the QuickBooks ProAdvisors and ask them to resolve this error for you.

Solution 1:

First of all, make sure that the QB Customer is currently active and they are not listed as a Vendor. Check the List menu in the Other Names field.

  • Go to the system where DataSync is stored.
  • Open the DataSync Web Dashboard and click on the Account Matcher Tool.
  • Now, head to Start > Programs > Pervasive DataSync > DataSync Web Interface.
  • Let the process finish and do not close the window.
  • Enter the Customer ListID category via the Salesforce account.

Go back to your QuickBooks and check if this solution resolved the QuickBooks Error Code 3100. Otherwise, move on to the next solution.

Solution 2:

  • To start this solution, firstly, login into your Salesforce account using the suitable user details.
  • Now, click on the Accounts
  • Choose Merge Accounts which can be found at the bottom right corner of the tab.
  • Finally, type in the name of duplicate account in the text field and then validate for merging them. Do not remove the Customer ListID value.

Get 24×7 QuickBooks Technical Support Services

Perform the above two given solution to quickly fix the QuickBooks Error Code 3100 manually. As we said earlier, there are two causes which can trigger the QuickBooks Error 3100 to pop-up on your screen and therefore there are two solutions for resolving this error.

In the case, you are encountering the same error code on your screen then you should re-install QuickBooks on your computer. Make sure that you take a backup of your QuickBooks data before you reinstall QB.

QuickBooks Error 3100: Steps To Fix It

QuickBooks is without a doubt the best and most recommended accounting software designed especially for small and mid-sized businesses. QB users absolutely love the advanced accounting features and the simple UI/UX. But QuickBooks is also prone to several errors that can hamper your work schedule. QuickBooks Error 3100 is one such error and it occurs when two customers, vendors or sales force accounts have identical names.

Error message associated with the QuickBooks Error 3100 is:

Customer Insert/Update Error – [CustomerName] – 3100 – The name “[CustomerName]” of the list element is already in use.

We suggest that get in touch with the Intuit certified QB Experts by calling on their toll-free QuickBooks Technical Support Phone Number +1800-801-4164. The QuickBooks Experts can resolve the error 3100 of QuickBooks in just a matter of minutes.

Symptoms of QuickBooks Error 3100

  • QuickBooks will start crashing after you this error occurs on your screen.
  • QuickBooks will stop responding to your commands and get slower.
  • Your system may freeze for some seconds.

Causes Of QuickBooks Error 3100

  • QuickBooks does not accept a similar name for a vendor and a customer.
  • QB Error 3100 will occur on your screen if the process fails when you are trying to sync a customer in QB with Sales force account

Fix For QuickBooks Error Code 3100:

The two solutions given will help you in rectifying the QuickBooks Error Code 3100. Otherwise, you can just get in touch with the QuickBooks Experts of Dialsupportnumber.

Solution I: Run The Repair tool

  • First of all, make sure that QB Customer option is enabled for your application.
  • If your QuickBooks Customer option is listed as a Vendor or present in the List of the Other Names tab then make necessary changes.
  • Now, go ahead and open the Account Matcher tool on your computer.  Also, look for the data Syncs web dashboard on your computer.
  • Follow this path:  Start > Programs > Pervasive DataSync > DataSync Web Interface.
  • Finally, provide Customer ListID category from the Sales force account.

Solution 2: Two sales force

  • Firstly, login into your Sales force account.
  • In the next step, search for the Accounts window and tap on it.
  • Click on the Merge accounts link which is shown on the bottom-right corner of your screen.
  • Enter the name of duplicate account in the text field and merge it.
  • Do not delete the Customer List ID.

24×7 QuickBooks Tech Support Services

The Intuit certified QuickBooks Experts recommend the two solutions which are given above. If you require assistance in fixing the QuickBooks Error 3100 or if you have any questions for us, call on the toll-free QuickBooks Support Phone Number +1-888-300-3913.

Dialsupportnumber offers 24*7 assistance across the globe for all QuickBooks (Pro, Premier, Enterprise, Online, and Payroll) versions. Click on the QuickBooks Live Chat Support button to get in touch with the QB remote technical support department.

QuickBooks Error Code 3100

QuickBooks Error Code 3100 occurs due to the following reasons:

  1. “Code 3100” comes up and the windows crash;
  2. The system recognizes the issue and closes down the windows due to the same error.
  3. In the Null Join key, the field can’t be set.
  4. A very low or down response of the pointer for mouse and windows for other input consoles.
  5. The system hangs for some moment.

Here are the causes due to which QuickBooks Error Code 3100 occurs:

  1. The unsuccessful download of QuickBooks Accounting Software.
  2. QuickBooks is not installed successfully.
  3. Windows registry is corrupt due to the latest QuickBooks software.
  4. Software or Windows is infected due to malware or virus.
  5. QuickBooks files are corrupted or damaged.
  6. When the user mistakenly damages or deletes the QuickBooks Files.

Here are the solution steps that you need to follow to solve the issue:

Method #1:

  1. Select the Start button.
  2. Go to My Computer, right-click on it.
  3. Select Properties.
  4. In the System Properties, click on the Hardware tab
  5. Now, go to the Device Manager.
  6. In Device Manager, you will see NETGEAR Adapter (For ex: WPNT456T) in the network adapter category in the yellow (!) Sign.
  7. Now, go to the NETGEAR Adapter and then click on the Device Status.

Method #2:

  1. Uninstall the NETGEAR Adapter and then click on the Uninstall button.
  2. Then turn the system off and then remove the adapter in your system.
  3. Click on My Computer and then click on the Install button. You can install it from CD also.
  4. If the issue still remains in your system, you need to uninstall the driver once again.
  5. Open the Download Centre (NETGEAR). Click on Download the latest available driver. Install as directed above.

Method #3:

  1. Select the Start button.
  2. Now, open the search tab and then type “System Restore” and then press Enter.
  3. Now, from the given results, click on System Restore.
  4. Now, log-in with admin rights and then enter the admin password.
  5. Go to the Wizard, click on the steps for restore points.
  6. Now, this is the last step. Restore your system and then check whether the system is restored or not.

Also Read :- How to Verify and Rebuild Data in QuickBooks?

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