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

Fix Chrome Profile Port Already Allocated Error

Fix Nginx Config Test Fails with 'upstream host not found'

You run nginx -t and get upstream host not found. The config test fails...

Fix Windows Search Indexing Permission Denied Errors

If you see a 'permission denied' message in Windows Search indexing, the search indexer can't rea...

Windows Update Troubleshooting Checklist for IT Pros

When Windows Update fails on a managed client, the symptom is often straightforward: updates stuc...

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...