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

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

How to Fix Windows Search 502 Bad Gateway Error

If you see a 502 Bad Gateway error when using Windows Search, it usually means the search service...

How to Add Folder Exclusions in Windows Defender

If Windows Defender is slowing down your workflow or flagging a trusted application, you can excl...

How to Fix Chrome Browser Invalid Configuration Error

You open Chrome and see an error message saying the configuration is invalid, or Chrome refuses t...

Fix 'Outlook Data File Cannot Be Accessed' – Grant Access

When Outlook shows 'The Outlook data file cannot be accessed' or 'You don't have permission to ac...