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

Windows Update Error 0x80070002 on Ubuntu: Fix Guide

If you're running Windows in a virtual machine on Ubuntu and getting update error 0x80070002, it ...

How to Fix Network Errors in Command Prompt on Windows 10

Fix PowerShell 502 Bad Gateway Certificate Errors

When you run a PowerShell script that makes an HTTPS request, you might see a 502 Bad Gateway err...

How to Fix a systemd Service Restart Loop

You start a systemd service and it immediately restarts, or it runs for a few seconds and then re...

Fix Windows Security Version Mismatch on Windows 10

If you see a "version mismatch" error when opening Windows Security on Windows 10, it usually mea...

Windows Security Proxy Error Checklist: Diagnose & Fix

If you see "Windows Security" proxy errors when trying to access the internet or a network resour...