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

Fix Windows Security High CPU Usage: Practical Steps

If your computer feels sluggish and Task Manager shows that Windows Security (or Antimalware Serv...

Fix Windows Defender Error 0x80070643 – Version Mismatch

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

Fix Windows Defender Service Permission Denied Error in Windows 10

You see a 'permission denied' message when trying to start or interact with the Windows Defender ...

How to Repair Corrupted Windows Terminal Settings

If Windows Terminal fails to launch or shows default settings instead of your custom ones, the se...

How to Fix PowerShell Version Mismatch Error

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...