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

How to Fix Cloudflare DNS Not Resolving on Windows

You've set your Windows machine to use Cloudflare DNS (1.1.1.1 and 1.0.0.1), but websites won't l...

Checklist for Task Scheduler Auto Start Not Working

You set up a task in Windows Task Scheduler to run automatically at boot or on a schedule, but it...

Remote Desktop Error 0x104: How to Fix Connection Issues

You try to connect to a remote PC via Remote Desktop (RDP) and get error code 0x104. The connecti...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fix Task Scheduler 'Access Denied' When Running as Admin

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...

Fix Windows Update Invalid Configuration Without Reinstall

You try to run Windows Update and get an error like 0x80070002 or a message that the...