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

Microsoft Teams Audio Device Setup Troubleshooting

You're in a Teams meeting, but nobody can hear you, or you can't hear them. Audio device problems...

Fix Windows Defender Service Not Running

If you see "Windows Defender service not running" or a red warning in Security Center, the underl...

Fix BitLocker Token Expired on Domain-Joined PC

When a domain-joined PC shows a BitLocker recovery prompt with a message that the token has expir...

Fix Windows Security 404 Not Found on Startup

When Windows Security shows a 404 error on startup, it typically means the app can't find its req...

Fix Chrome Profile Connection Refused or Permission Denied

When Chrome throws a "connection refused" or "permission denied" error related to your profile, i...

Fixing PowerShell Remote Execution Failures on a Network