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QuickBooks is a widely used accounting software that helps businesses manage payroll, taxes, and other financial transactions efficiently. However, users sometimes encounter errors while updating QuickBooks or its payroll services. One such common issue is QuickBooks Update Error 15106, which prevents the software from installing updates properly.

If you are experiencing Error Code 15106, don’t worry. This article will explain the possible causes of the error and provide step-by-step solutions to fix it.

What is QuickBooks Error Code 15106?

QuickBooks Error Code 15106 occurs when users attempt to update QuickBooks Desktop or Payroll but are unable to complete the process due to restricted access or interference from security applications. The error message typically reads:

"The update program cannot be opened. The update program is damaged."

This error can disrupt payroll processing and other financial functions, so it's important to address it as soon as possible.

Causes of QuickBooks Error 15106

Several factors can trigger this error while updating QuickBooks. Some of the most common causes include:

1. Insufficient Administrative Privileges – If you are not logged in as an administrator, QuickBooks may not have the necessary permissions to install updates.

2. Interference from Antivirus or Security Software – Certain security applications, such as Webroot Antivirus, may block QuickBooks updates, leading to this error.

3. Damaged QuickBooks Update Files – If the update files are corrupted or missing, QuickBooks may not be able to install updates properly.

4. Restricted User Account Control (UAC) Settings – High security settings in Windows can prevent QuickBooks from accessing necessary files.

5. Interruption During Update Process – A system crash, power failure, or network disconnection during an update can cause this issue.

6. Corrupt Windows Registry Files – If registry entries related to QuickBooks updates are damaged, the error may occur.

Solutions to Fix QuickBooks Error Code 15106

Follow these troubleshooting steps to resolve the error and update QuickBooks successfully.

Solution 1: Run QuickBooks as an Administrator

Since restricted access is a common cause of this error, running QuickBooks with administrative privileges may resolve the issue.

1. Close QuickBooks if it is open.

2. Right-click on the QuickBooks Desktop icon on your desktop.

3. Select Run as Administrator.

4. Click Yes if prompted by the User Account Control (UAC).

5. Try updating QuickBooks again to check if the error persists.

Solution 2: Disable Antivirus and Security Software Temporarily

Antivirus programs may incorrectly flag QuickBooks updates as threats, preventing the update from completing.

1. Open your antivirus software (e.g., Webroot, Norton, McAfee).

2. Locate the Real-time Protection or Shield option and temporarily disable it.

3. Try updating QuickBooks again.

4. If the update is successful, add QuickBooks to your antivirus exception list.

5. Re-enable your antivirus after the update is completed.

Solution 3: Rename the QuickBooks Update Folder

Corrupted update files in the QuickBooks update folder can trigger Error 15106. Renaming the folder forces QuickBooks to create new update files.

1. Close QuickBooks completely.

2. Open File Explorer and navigate to the following location:

   • C:\Program Files\Intuit\QuickBooks [Year]\Components\DownloadQBXX (Replace "XX" with your QuickBooks version year).

3. Right-click the DownloadQBXX folder and select Rename.

4. Add .old at the end of the folder name (e.g., DownloadQBXX.old).

5. Restart QuickBooks and attempt the update again.

Solution 4: Reset QuickBooks Update

Resetting the QuickBooks update process can resolve update-related errors.

1. Open QuickBooks and navigate to Help > Update QuickBooks Desktop.

2. Go to the Update Now tab.

3. Check the box for Reset Update.

4. Click Get Updates.

5. Once the update is complete, restart QuickBooks and check if the error is resolved.

Solution 5: Turn Off User Account Control (UAC) Temporarily

User Account Control (UAC) settings may prevent QuickBooks from updating. Disabling UAC temporarily can help.

1. Press Windows R and type Control Panel, then press Enter.

2. Go to User Accounts > Change User Account Control settings.

3. Move the slider to Never Notify and click OK.

4. Restart your computer and try updating QuickBooks again.

5. After updating, re-enable UAC by returning the slider to its original position.

Solution 6: Repair QuickBooks Installation

If QuickBooks installation files are damaged, repairing the software may fix the issue.

1. Press Windows R, type appwiz.cpl, and press Enter.

2. Locate QuickBooks Desktop in the list of installed programs.

3. Click Uninstall/Change, then select Repair.

4. Follow the on-screen instructions to complete the repair process.

5. Restart your computer and attempt the update again.

Solution 7: Perform a Clean Install of QuickBooks

If none of the above methods work, reinstalling QuickBooks can resolve persistent issues.

1. Uninstall QuickBooks via Control Panel > Programs and Features.

2. Download the latest version of QuickBooks from the official Intuit website.

3. Install QuickBooks and restore your company file.

4. Run the update again to check if the issue is resolved.

Preventing QuickBooks Error 15106

To avoid encountering this error in the future, follow these preventive measures:

1. Run QuickBooks as an Administrator – Always launch QuickBooks with administrative privileges.

2. Regularly Update QuickBooks – Keep QuickBooks updated to avoid compatibility issues.

3. Ensure a Stable Internet Connection – Avoid interruptions during updates by using a reliable internet connection.

4. Whitelist QuickBooks in Your Antivirus – Configure your antivirus settings to allow QuickBooks updates.

5. Perform Regular System Maintenance – Keep your system optimized by clearing cache, updating drivers, and running antivirus scans.

6. Backup QuickBooks Data Regularly – Create regular backups of your QuickBooks company files to prevent data loss.

Conclusion

QuickBooks Error Code 15106 can be frustrating, especially when it prevents payroll and other updates from installing. However, by understanding its causes and following the troubleshooting steps outlined in this guide, you can resolve the error efficiently.

If the problem persists, consider reaching out to QuickBooks Customer Support 1-(855)-955-1942 for further assistance. Keeping QuickBooks and your system well-maintained can help prevent similar issues in the future, ensuring smooth business operations.