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

7-Zip 'Cannot Open File as Archive' Error: Malware or Not?

You try to open a file with 7-Zip and get the error 'Cannot open file as archive'. This can happe...

How to Fix Command Prompt Not Responding in Ubuntu

If your terminal (command prompt) in Ubuntu stops responding—no cursor, no output, or it freezes ...

Fix Windows Defender Version Mismatch After Update

After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...

Fix OneDrive Sync Stuck at 502 Bad Gateway

Seeing a 502 Bad Gateway error when OneDrive is syncing usually means the connection between your...

How to Fix Microsoft Store Rate Limit Errors

You're trying to download or update an app in the Microsoft Store, and you see an error message a...

Chrome SSL Protocol Error Troubleshooting Guide