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

Fix PowerShell 502 Bad Gateway in IIS: Step-by-Step

A 502 Bad Gateway error in IIS typically means a downstream server or application pool failed. Wh...

How to Fix BitLocker SSL Certificate Error

Symptoms

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

Fix Task Scheduler SSL Certificate Error: Step-by-Step

You schedule a task to run a script or program that connects to an HTTPS endpoint, but the task f...

Fix "Port in Use by Another Process" in Windows Terminal

When you see "port in use by another process" in Windows Terminal, it means the port you're tryin...

PowerShell Authentication Failed: Practical Fixes

You try to run a PowerShell command and get an authentication failed error. The message might say...

Fix Windows Security Connection Refused Due to Antivirus Blocking

You try to open Windows Security or run a scan, and get a 'connection refused' error. Often this ...