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

Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...

Fix Stuck in Login Loop After Command Prompt Boot

If you booted into Command Prompt (e.g., via Advanced Startup) and now you're stuck in a login lo...

Windows Defender High CPU Usage After Malwarebytes Installation

After installing Malwarebytes, some users notice Windows Defender Antivirus Service consuming hig...

Fix SSL Certificate Errors in Windows Search

When Windows Search throws an SSL certificate error—often as 'The certificate is not valid' or 'A...

Fix Microsoft Teams 404 Not Found Server Issue

You open Microsoft Teams and get a 404 Not Found error. The app may load partially or show a blan...

Fix Robocopy Error 5: Access Denied in Backup Command