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

How to Fix Outlook 404 Not Found Error

When you see a 404 Not Found error in Outlook, it usually means the program can't locate a resour...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Chrome File Locked by Extension: Fixes and Checks

If you see a message like "File locked by extension" in Chrome, it usually means an extension has...

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

Windows Security Full Scan Stuck at 99% – How to Fix

You run a full scan in Windows Security, it reaches 99%, and then nothing happens for minutes or ...

Fix Windows Activation Port Blocked by Another Application

When you see an error like "Windows activation port already blocked by another application," it u...