QuickBooks Payroll Error PS107 is a common issue faced by users while downloading payroll updates or working with QuickBooks Desktop. If you’ve seen the message “An internal file in QuickBooks has become unreadable”, you’re likely dealing with this error.
This guide explains what causes PS107, how to fix it, and how to prevent it in the future — so your payroll stays smooth and stress-free.
What Is QuickBooks Error PS107?
Error Code PS107 in QuickBooks Payroll appears when the software is unable to read or access a crucial internal file. This typically happens due to outdated software, interrupted updates, or file corruption.
Error Message:
“An internal file in QuickBooks has become unreadable. PS107.”
This error can prevent payroll updates and cause your system to freeze or crash.
Causes of QuickBooks Payroll Error PS107
Understanding the causes helps you fix and prevent the issue:
Outdated QuickBooks Desktop version
Corrupted or unreadable program files
Damaged payroll update files
Expired or invalid payroll subscription
Antivirus or firewall interference
Interrupted or unstable internet connection
Symptoms of Error PS107 in QuickBooks
If you notice any of the following, you’re likely experiencing PS107:
QuickBooks crashes or freezes during payroll
Payroll updates get stuck or fail to install
You see the message about an unreadable file
Inability to verify your payroll subscription
Payroll features are disabled or unresponsive
How to Fix QuickBooks Payroll Error PS107 (Step-by-Step)
Before troubleshooting, create a backup of your company file to avoid data loss.
1. Update QuickBooks Desktop
Open QuickBooks
Go to Help > Update QuickBooks Desktop
Click Update Now > Get Updates
Restart QuickBooks
2. Restart Your Computer in Safe Mode (Optional)
If QuickBooks doesn’t open:
Reboot your PC
Press F8 before Windows loads to enter Safe Mode
Open QuickBooks and check for the error
3. Temporarily Disable Antivirus or Firewall
Some antivirus programs block payroll updates. Try turning them off temporarily and re-run the update.
4. Perform a Clean Install Using QuickBooks Clean Install Tool
Uninstall QuickBooks
Download and run the QuickBooks Clean Install Tool from Intuit
Reinstall QuickBooks
Update payroll again
Pro Tips to Avoid PS107 Error
Always keep QuickBooks updated to the latest version
Ensure your payroll subscription is active and valid
Schedule regular data backups
Avoid interrupting payroll updates midway
Use a stable, secure internet connection
FAQs – QuickBooks Error PS107
Q1. Can I process payroll with Error PS107?
No. This error blocks payroll updates and functions. It must be resolved first.
Q2. Is PS107 caused by an expired payroll subscription?
Yes, an invalid or expired subscription can trigger the error.
Q3. Will this error corrupt my payroll data?
Not directly, but unresolved errors can lead to incorrect calculations. Always back up your data.
Q4. Can I fix PS107 without uninstalling QuickBooks?
Sometimes. Try updating QuickBooks and disabling security software first.
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Final Thoughts
QuickBooks Payroll Error PS107 can be a frustrating roadblock, especially when you’re on a deadline. Thankfully, the issue is often easy to fix once you know the cause — whether it’s outdated software, corrupted files, or subscription issues.
By following the steps above, you can resolve PS107 and keep your payroll running without interruptions.
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