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

Removing Malware Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager attributed to Command Prompt (cmd.exe), svchost.exe,...

Fix Windows Search: Connection Refused, Service Not Running

If you see 'connection refused' or 'service not running' when using Windows Search, the search se...

Fix 'Permission Denied' When Opening System32 in Command Prompt

Fix Windows Update Error 0x80073712

You see error 0x80073712 when checking for Windows updates. It usually means a system file is mis...

Fixing Microsoft Teams Authentication Error CAA2000C

You try to sign in to Microsoft Teams and see error code CAA2000C, often accompanied by a message...

Fix Microsoft Store Blank Screen When Other Apps Work

You open the Microsoft Store and see nothing but a blank white or gray screen. Other apps—Edge, O...