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

How to Unlock an Outlook File Locked After Crash Recovery

After an unexpected crash, Outlook may refuse to open your PST or OST file, showing a message tha...

Windows Defender Service Not Starting: Fixes and Checks

When Windows Defender won't start, you might see an error like "Windows Defender service can't be...

How to Fix Windows Terminal Token Expired Error

If you're using Windows Terminal and seeing a 'token expired' error when trying to authenticate o...

Fix OneDrive Error 0x8004deb4: Sync Failed to Start

OneDrive error 0x8004deb4 typically appears when you try to start syncing but the process fails i...

Fix Svchost.exe High CPU Usage on Windows 11

You open Task Manager and see svchost.exe using 30% or more of your CPU. This is common in Window...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...