How to Fix Windows Counterfeit Error

Windows Update number "KB905474" automatically runs a check of your system to determine whether you are running a legitimate copy of Windows, displaying a counterfeit error on your screen in popup form in the event that your product code is found to be invalid. Fixing this error merely requires you to perform a system rollback to a date prior to the time when KB905474 was installed, allowing you to circumvent the annoyance of having it constantly appearing on your screen.

Instructions

1. Click "Start," open "All Programs," open "Accessories," open "System Tools" and open "System Restore."

2. Click on "Restore my computer" for Windows XP or choose the option to "Choose a different restore point" for Windows Vista or 7.

3. Select a date prior to the time when the error began occurring.

4. Press "Next" to restore your system, eliminating the error.

References

• Microsoft: Windows XP System Restore Is Easy to Use