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

Windows Defender 404 Not Found Registry Fix

You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

Fix Windows Activation Authentication Failed via Command Prompt

If you see 'Windows activation authentication failed' when trying to activate Windows, the issue ...

How to Fix Task Scheduler High Memory Usage Error

If Task Scheduler is using excessive memory (e.g., over 200 MB), your system may feel sluggish. T...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'