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

Microsoft Teams High CPU Usage Fix

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

Fix 'Outlook Path Not Found' Error After Migration

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

How to Clear OneDrive Sync Cache and Fix Sync Issues

If your OneDrive files are stuck syncing, showing error icons, or the process uses high CPU, the ...

Redis Server Not Starting: Log File Shows No Errors

You try to start Redis, but it fails immediately—no error messages in the log file, nothing obvio...