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

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

Fix 'Outlook Path Not Found' Error After Migration

Outlook 504 Gateway Timeout: Proxy and Firewall Fixes

If you see a "504 Gateway Timeout" error in Outlook, it usually means a network device (proxy or ...

Fix Task Scheduler 502 Bad Gateway Permission Denied

You set up a scheduled task to call a web endpoint, but it fails with a 502 Bad Gateway error and...

Fix PowerShell Token Expired in VS Code Terminal

If you see a token expired error in the PowerShell terminal inside Visual Studio...

Fix Windows Update Permission Denied After Windows 11 Upgrade

After upgrading to Windows 11, some users encounter a "Permission Denied" or "Access Denied" erro...