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

Fix Windows Defender Rate Limit Error & Permission Denied

When Windows Defender throws a "rate limit error" or "permission denied" message, it typically ha...

Fix Windows Terminal Proxy Not Working: Practical Steps

If your Windows Terminal isn't routing traffic through your system proxy, you're likely seeing co...

How to Fix Microsoft Teams Audio Not Working

When Microsoft Teams audio stops working, you might hear nothing during calls, see a microphone i...

BitLocker Backup Not Working on Windows 11: Fixes

You enable BitLocker on Windows 11, but when you try to back up your recovery key to a Microsoft ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Microsoft Teams Camera Black Screen: Practical Fixes

You join a Teams meeting and your camera shows a black screen. Your video doesn't appear for othe...