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

Fix Windows Security High Memory Usage

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

How to Fix Windows Activation Token Expired Error

If you see the error 'Windows activation token expired' when trying to activate Windows, it usual...

Chrome Profile Token Expired? Try These Fixes Beyond Clearing Cache

You're signed into Chrome with your Google account, but suddenly you see an error saying your pro...

OneDrive Sync Not Working on Windows 11: Practical Fixes

If OneDrive has stopped syncing on your Windows 11 PC, you're probably seeing error icons or stat...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...