Learn how to resolve QuickBooks desktop error 15101 when updating QuickBooks Desktop or Payroll:
Do you have landed into QuickBooks error code 15101? No need to panic, we have got you covered. Often when using QuickBooks premier software, you might crash into such an error. This particular error might happen at the time of downloading or updating QuickBooks payroll or desktop. You may also come across this snag when your PC freezes for a while. The QuickBooks update error 15101 can be experienced due to a handful of factors, which we will be discussing later in this segment. This error appears on the screen with a warning message:
“Error 15101: When updating QuickBooks desktop or payroll”.
Before you head forward, you need to have proper internet settings by configuring your LAN setting on the internet to resolve it. Get a grip of such an error, by going through this segment till the end. Whereas, if you aren’t interested in manually fixing QuickBooks error code 15101, then connecting with our tech geeks using our helpline i.e., 1-800-761-1787 is suggested.
What is QuickBooks Error 15101?
QuickBooks error 15101 is an update error that generally encounters when users update their copy of QuickBooks. This error basically belongs to the 15xxx series of error codes and pops up when QuickBooks tries to download the latest updates but fails due to missing or outdated digital signature certificates. This error is commonly seen in QuickBooks desktop versions like Premier, especially when you are using payroll services that require regular updates. We recommend you to fix this error as soon as possible to avoid further complications in updates or payroll processing.
QuickBooks error code 15101: Signs and Symptoms
The below-stated are the signs and symptoms of the QuickBooks error code 15101:
- The Windows operating system crashes while working.
- The QuickBooks desktop won’t respond or work.
- The input you are giving from mouse and keyboard is too slow.
Minimum system requirements for QuickBooks desktop
A few basic system requirements to be maintained in the system:
- Operating system: Windows XP, Windows Vista, windows 7, windows 8 and above
- Processor: 2.0 Ghz
- RAM: 512 MB
- Internet: Internet connection is required
- Browser: Internet explorer browser 6.0
- CD ROM: 4 x CD ROM drive
Also see: How to Transfer QuickBooks Desktop from Old Computer to New Computer?
Causes and Fixes to QuickBooks Payroll Error Code 15101
Error 15101 indicates that there is some problem with your internet connection, digital signature verification or system configuration. It means QuickBooks desktop is unable to connect with the update server. Here are the possible causes and solutions for the QuickBooks error code 15101:
Cause 1: Issues with the internet settings
Solution: Checking the internet explorer settings
- Open Run windows by pressing the Windows + R keys and type INETCPL.CPl on the open box and also hit a click on OK tab.

- Choose General tab and also click on Delete and choose Temporary internet files and website files.
- Heading forward, hit on the Delete tab.

- Now choose the Connections tab and also hit on the LAN settings
- Afterward, Detect settings and hit on OK.

- Now, head to the Advanced tab and scroll down to the Security section.
- Verify if TLS 1.2 is checked and TLS 1.0 and TLS 1.1 is unchecked.

Cause 2: Missing digital signature certificate
Solution: Installing digital signature certificate
- This process requires to Download and install digital signature certificate on your PC.
- Subsequently, you need to look for and find the QBW32.exe file.
- Windows 7 users can go to Windows search option.
- Then hit on More results in Windows search.
- Afterward, choose the Computer icon in the search box.
- In the search box, type QBW32.exe that has type of application.
- Right-click on QBW32.exe and select Properties.
- Choose Digital signature tab and also ascertain that you have selected Intuit Inc. from the signature list.
- Hit a click on Details.

- You need to choose View certificate in Digital signature details window.
- Now move to certificate window and select Install certificate.

- Subsequently, hit on the Next tab until you get a dialog box with the Finish tab.
- Now hit on Finish and then reboot the system.
- Open the QuickBooks software and complete the process by downloading the update again.
Cause 3: QBWebconnector.exe stopped working
Solution: Terminate the QBConnector.exe file
- Press and hold Ctrl+ Alt + Del keys.
- Proceed to Processes tab and look for QBConnector.exe

- Right click on the file and also choose End Process.
Read Also: Fixation of QuickBooks Error Code 80040408 - Could Not Start
Additional Solutions to Fix Error 15101 When Updating Desktop or Payroll
You can also follow these methods if the above causes and fixes aren't able to resolve the problem for you.
Solution 1: Run the reboot.bat file
You can find the batch file named Reboot.bat in the QuickBooks folder. Running it can help in the resolution of error 15101. The steps below should help you:
- This process demands to close QuickBooks software.
- Right-click the QuickBooks icon and also choose Properties.
- Proceed to the Shortcut tab and hit on Open file location.
- Find the Reboot.bat or reboot file from the list on the screen.
- Once located, right-click the Reboot.bat file and choose run as admin.
- Hit on the Yes tab to get User account permission.
- Now a CMD window will open and display a different file scrolling.
- Reboot the system.
- Open QuickBooks desktop and also click on the Install option to download the latest updates, if any.
- Finally, restart QuickBooks to check for the effectiveness of this method in resolving Error code 15101.

Solution 2: Perform a clean installation of QuickBooks
Another viable option is to go for a clean installation. To proceed ahead with this process, follow the directions given below:
- You are supposed to uninstall QuickBooks desktop.

- The next step requires Uninstalling the QuickBooks desktop software using the QuickBooks Clean Install Utility
- You also need to Rename the installation folder afterward.
- Download and run Clean installation tool or rename the folders manually.
- Reinstall QuickBooks software.
You may also see: How to fix Script errors after opening Desktop Pro?
Solution 3: Access the system using the Safe mode

Just in case you are using windows and also attached to the internet with a high-speed link, then you would be able to restart the system in safe mode setting with networking mode. You need to restart the system later on.
- Choose Safe mode with networking after repeatedly tapping the F8 key in the bootup.
- After that, choose the Operating system you wish to restart.
- Hit on Enter tab.
- Now, opt for login and also choose the System admin which will give you access to all computer programs.
- Enter the Admin password.
- Choose the Yes option when specified to work in a Safe mode setting.
- Afterward, open QuickBooks and perform the task again.
- End the process by rebooting the system.
Solution 4: Alter your firewall settings
In certain cases, the Windows firewall obstructs the seamless functioning of a majority of software in your system- QuickBooks Desktop being no exception. Under such circumstances, certain technical snags show up. The Error 15101 may incite because of this reason. As such, follow the steps below:
- Go to Start menu and open Windows Firewall by searching for Firewall in the search box.
- Head to Advanced Options.
- Rright-click on Inbound Rules and click on New Rule.

- Now go into Program option, followed by hitting Next.
- Tap on Browse and select This Program Path.
- Later on, search for QuickBooks executable files and choose them.
- Then, hit on Next.
- Allow the connection and hit on Next.

- Double-check that all options are marked.
- Then tap on Next.
- Create a rule and give a name on it. For example: "QBFirewallException(name.exe)."
- Once all the steps are implemented, open your QuickBooks and check the error got uprooted.
Also Read: How to Reactivate your QuickBooks Payroll subscription?
Wrapping-up!
Heading towards the end of this segment, we expect that the steps and procedures that we have mentioned above might be of some assistance in tackling the QuickBooks error code 15101. However, if you are dicey with the process or if you continue to land into the same error again and again, then connect with our QuickBooks payroll technical support team using our helpline i.e., 1-800-761-1787. Our tech geeks will ensure to provide you with impeccable possible support assistance.
FAQs
What causes Error 15101 in QuickBooks?
This error is generally provoked due to the following factors:
1. Misconfigured Internet settings
2. The digital Signature certificate for Intuit may not be installed or updated.
3. Termination of QBWebconnector.exe service can also lead to Error 15101.
4. Poor internet connectivity can also cause this error.
What are the solutions of this error?
This QuickBooks update error can be repaired by following the Solutions below:
1: Run Reboot.bat.
2: Clean Install QuickBooks.
3: Access the Safe Mode with Networking.
4: Make changes to the Firewall settings.
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