how to fix error code 641
How to fix Error Code 641 Windows 7 Update errors. There are two ways to solve this error: The Manual (Advanced) User Solution: 1) Start the computer and log on as Administrator. 2) Click the Start button and then select All Programs, Accessories, System Tools, and finally, choose System Restore.) Install the program and click the Scan button. 3) Press the Fix/Repair button after the scan is completed. 4) Restart your computer. Additional messages associated with this matter: 1  Error Code 641 Windows 7 Update is missing.