Fix Windows Activation After Hardware Change
If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows 11 Activation Error 0xc004f074
You see error 0xc004f074 when trying to activate Windows 11. The message usually says something l...
Fix Windows Activation Server 504 Timeout Error
You try to activate Windows and get an error: "Windows activation server not responding 504 timeo...
How to Fix Windows 11 Activation Error 0xc004c003
If you see error 0xc004c003 when trying to activate Windows 11, it usually means the activation s...
Fix Windows Defender Proxy Error on Windows 11
If you see a proxy error in Windows Defender on Windows 11, it usually means Defender can't reach...
Fix Microsoft Store Sync Issues After System Restore
After restoring your Windows PC from a backup or system image, you might notice that Microsoft St...