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

Windows Security Antivirus Not Detecting Threats: How to Fix

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fixing Cloudflare Tunnel DNS Errors: A Practical Guide

If you're seeing DNS errors when using Cloudflare Tunnel (cloudflared), the tunnel might be conne...

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...

Fix Windows Activation Error 0x800704cf: Cannot Connect to Server

You see error 0x800704cf when trying to activate Windows, with the message "Cannot connect to the...

Windows Terminal Version Mismatch: A Practical Checklist

You open Windows Terminal and get a version mismatch error—or something just doesn't work the sam...