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

Fix Microsoft Store for Linux Ubuntu Permission Denied

If you're running Microsoft Store apps on Ubuntu via tools like Wine or a compatibility layer, yo...

Fix Windows Search Not Working Due to DNS Error

You search for a file or app in Windows, and nothing shows up, or you get an error like "Somethin...

Fix Microsoft Teams Invalid Configuration Error

Users may encounter an 'invalid configuration' error when launching Microsoft Teams. This typical...

Fix Windows Security Authentication Error 0x80070035

How to Fix 'Windows Defender Module Not Found' Error

If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...

Fix Redis Connection Refused in Sentinel Mode

When Redis Sentinel is configured, you might see "connection refused" errors even though your app...