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

Outlook High CPU Usage Not Responding: Practical Fixes

If Outlook is using 90-100% CPU and becomes unresponsive or freezes, it's usually due to a corrup...

How to Fix Windows Update Service Not Running

When Windows Update fails to check for or install updates, a common cause is that the Windows Upd...

Fix Windows Defender Authentication Failed Error in Windows 10

You see a message like 'Windows Defender Authentication Failed' when trying to open or update Win...

Fix Windows 10 Activation Not Working After Update

After a Windows 10 update, you might see a watermark saying your copy isn't activated or an activ...

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

Fix SSH Permission Denied (publickey) on Raspberry Pi