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

How to Fix 'Teams Permission Denied for File Upload'

You try to upload a file to a Teams channel or chat, but see a 'permission denied' error. This us...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix Windows Search Keeps Crashing

If Windows Search keeps crashing on your PC, you may see error messages, the search box becomes u...

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...

Chrome Sync Not Working with Multiple Profiles: Fixes

If you use multiple Chrome profiles and sync stops working—bookmarks missing, passwords not updat...

Fix PostgreSQL Connection Refused Due to pg_hba.conf

When a client gets 'connection refused' from PostgreSQL, the first thing to check is the pg...