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

Fix BitLocker High Memory Usage on Windows 11

If you notice that BitLocker is using a lot of memory on Windows 11—sometimes over 1 GB—it can sl...

Fix Windows Update Cannot Connect to Microsoft Servers

You see the error 'Windows Update cannot connect to Microsoft servers' and updates won't download...

Fix PowerShell Remote Connection Refused Error

Fix Windows Defender Update Error 'Permission Denied'

You see 'Permission Denied' when Windows Defender tries to update. This usually means the update ...

Fix Microsoft Store Not Opening Due to Corrupted Cache

If the Microsoft Store refuses to open—showing a blank window, a spinning circle, or nothing at a...

Fix PostgreSQL Password Authentication Failed on Windows 10

You're trying to connect to PostgreSQL on Windows 10, but you get 'password authentication failed...