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

Fix Windows Defender DNS Error on Windows 10

If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

OneDrive Sync Not Working Due to Proxy: Fixes

If OneDrive stops syncing and you're behind a corporate or personal proxy, the proxy settings are...

How to Reset Microsoft Store Cache in Windows

If the Microsoft Store won't load, apps fail to download or update, or you see error codes like 0...

Fix Chrome Profile SSL Certificate Error on Mac

You open Chrome on your Mac and see a warning like “Your connection is not private” or “NET::ERR_...

Fix Windows Security Proxy Error Not Working

Windows Security may stop working with a proxy error, often due to misconfigured proxy settings o...