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

Windows Defender File Locked: How to Fix It

You try to edit, move, or delete a file and Windows says it's open in Windows Defender. This can ...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Microsoft Teams Not Connecting to Server: Practical Fixes

When Microsoft Teams won't connect, you'll typically see a persistent "Connecting..." message or ...

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Bypass Network Proxy Blocking Windows Update: Step-by-Step

When a network proxy blocks Windows Update, you may see error 0x8024402c or updates that never fi...

Fix PowerShell Module Not Found After Path Change

You run Import-Module and get an error like "The specified module 'X' was not lo...