Knowledge base for software setup, errors, and daily tool work.

Fix 'Windows Activation Module Not Found' Error in Windows 10

If you see the error 'Windows Activation Module Not Found' when trying to activate Windows 10, th...

Fix Windows Backup Error 0x80070001 After Update

After a Windows update, you might see backup error 0x80070001. This often means "Incorrect functi...

Fix FFmpeg Audio Out of Sync in MP4 Files

If you've encoded an MP4 with FFmpeg and noticed the audio drifts out of sync—voice lagging behin...

Fix Microsoft Store Not Opening After Update

After a Windows update, you might click the Microsoft Store icon and see nothing happen—no window...

Fix Git Clone Permission Denied (publickey) – Invalid Key

When you run git clone and get Permission denied (publickey) with a mes...

Fix Windows Activation Command Error 0x80070002