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

Windows Defender Scan Stuck at Certain Percentage: Fixes That Work

If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...

BitLocker Stuck on Loading? Fix Without Recovery Key

You power on your PC, and instead of the usual login screen, you see a BitLocker recovery screen ...

How to Fix WinSCP Permission Denied Error

If you see a 'Permission denied' error in WinSCP when trying to upload, download, or delete files...

How to Fix Chrome SSL Certificate Error After Update

Fix Windows Security Service Unavailable After Update

After a Windows update, you might open Windows Security and see a message like “Security service ...

Fix Windows Update Error 0x80070005 with Registry Tweaks

You see Windows Update error 0x80070005 when checking for updates. This usually means a permissio...