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

Enable File History Backup on Windows 10: Troubleshooting Guide

You set up File History on Windows 10, but backups aren't running, or the drive isn't detected. T...

Fix Windows Defender Port Already Allocated Antivirus Conflict

If you see an error like "port already allocated" or "address already in use" after installing a ...

Kubectl Pod CrashLoopBackOff: Troubleshooting Guide

When a Kubernetes pod repeatedly restarts and shows CrashLoopBackOff, it means the c...

Cloudflare DNS Troubleshooting: Step-by-Step Guide

If your domain isn't resolving correctly after changing DNS records at Cloudflare, you're not alo...

Fix Windows Activation 502 Bad Gateway After Upgrade

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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