How to Fix QuickBooks Error 15103: Step-by-Step Guide
- Jhon Martin
- 4 days ago
- 2 min read
QuickBooks is an essential accounting software used by small and mid-sized businesses to manage finances, payroll, and inventory. Despite its robust functionality, users often encounter technical issues. One such common problem is QuickBooks Error 15103, typically related to update failures. This article explores what this error means, its causes, symptoms, and the most effective solutions to fix it.

What is QuickBooks Error 15103?
QuickBooks Error 15103 usually occurs when a user attempts to download or install a payroll or software update. The error message typically reads: "The update program is damaged or the update cannot be opened." This error prevents QuickBooks from updating correctly, which can lead to outdated tax tables, payroll issues, and compatibility problems.
Common Causes of Error 15103
Several underlying issues may cause QuickBooks Error 15103, including:
Corrupted or incomplete QuickBooks installation
Issues with Windows registry entries
Antivirus or firewall is blocking the update
Incorrect Internet Explorer settings
Digital signature not verified
Damaged Windows files
Identifying the exact cause can help apply the most appropriate solution.
Symptoms of QuickBooks Error 15103
Here are common signs that indicate Error 15103:
Failure to complete payroll or software updates
The system freezes or runs sluggishly when updating
Repeated prompts or error codes during the update
QuickBooks crashes or becomes unresponsive
If you experience these issues, it’s a sign that the software may be suffering from this error.
How to Fix QuickBooks Error 15103
Here are some tested solutions to resolve the issue:
1. Switch to Selective Startup Mode
Conflicts from other software can prevent QuickBooks from updating.
Press Windows + R, type msconfig, and hit Enter
Go to the General tab, select Selective Startup
Uncheck Load Startup Items
Click OK and restart your computer
Try updating QuickBooks again
2. Run QuickBooks Tool Hub

The QuickBooks Tool Hub is a free utility from Intuit that fixes common issues.
Download the latest version from the official Intuit website
Install and open it
Select Program Problems, then run Quick Fix My Program
Attempt to update QuickBooks again
3. Verify Digital Signature
A missing or incorrect digital signature can block updates.
Go to C:\Program Files\Intuit\QuickBooks
Right-click qbupdate.exe > Properties
Open the Digital Signatures tab
Ensure Intuit Inc. is listed
Click Details, then View Certificate > Install Certificate
4. Configure Firewall and Antivirus Settings
Sometimes, security software blocks updates.
Add QuickBooks and its update files to your antivirus exception list
Allow QuickBooks through Windows Firewall
Refer to your antivirus documentation for exact steps.
Read More:- Windows Firewall is Blocking QuickBooks
5. Reinstall QuickBooks Using Clean Install Tool
If none of the above steps work, a clean reinstall might be necessary.
Uninstall QuickBooks via Control Panel
Use the QuickBooks Clean Install Tool to remove all residual files
Download and reinstall QuickBooks from the official site
Reattempt the update
Preventing Error 15103 in the Future
To avoid facing this error again:
Always keep QuickBooks and Windows updated
Regularly verify your internet and firewall settings
Avoid third-party software that may interfere with QuickBooks
Backup your company files before updates
Conclusion
QuickBooks Error 15103 can be frustrating, especially when it interrupts important payroll or software updates. However, by following the steps above, most users can resolve the issue without professional help. If the problem persists,
Commentaires