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

Fix Windows Security Memory Leak for Better Performance

If your PC feels sluggish and you notice high memory usage in Task Manager from 'Antimalware Serv...

Fix Windows Defender Authentication Failed Group Policy Error

You may see an error saying "Windows Defender authentication failed" after applying a Group Polic...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Defender Port Already Allocated in Event Viewer

If you see 'port already allocated' errors in Event Viewer related to Windows Defender, it usuall...

Fix Windows Activation Backup Restore Failure After Update

After a Windows update, you might see an error when trying to restore an activation backup. The b...

Fixing BitLocker Sync Issues Between Devices

You've set up BitLocker on multiple devices, but the recovery keys aren't syncing to your Microso...