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

How to Release a File Lock from a PowerShell Script

When a PowerShell script leaves a file locked—perhaps due to an incomplete read/write operation o...

Microsoft Teams High CPU Usage Fix

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

Fix Microsoft Teams Connection Refused After Update

After a Microsoft Teams update, you might see a "connection refused" error when trying to sign in...

How to Clear Windows Defender Cache

If Windows Defender (Microsoft Defender Antivirus) is acting up—stuck on an old update, using hig...

Microsoft Teams Microphone Setup Checklist

When you join a Teams meeting and no one can hear you, it's usually a microphone setup problem—no...

BitLocker Recovery Key Not Accepted: Fix Authentication Failed Error