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

Fix Windows Defender Service Path Not Working

When Windows Defender's service path isn't working, the Security Center may show “Unknown” status...

Fix Microsoft Teams Memory Leak After Update

After a recent update, Microsoft Teams may start using excessive memory, slowing down your system...

Fix PowerShell Authentication Token Expired in Automation Scripts

When running PowerShell automation scripts that interact with cloud services or APIs, you may enc...

Microsoft Teams Connection Refused: Troubleshooting Checklist

When Microsoft Teams shows a 'connection refused' error, the app cannot reach its servers. This u...

Fix SSH Permission Denied (publickey) on Raspberry Pi