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

Fix Git Push Rejected Non Fast Forward Error

Fix Chrome Hardware Acceleration Black Screen in Windows 11

If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...

Windows Update Service Not Running in Windows 11: Fix It

If Windows Update won't start and you see an error like "Windows Update service is not ru...

Cloudflare DNS Not Updating After Change: Fixes That Work

You change a DNS record in Cloudflare, wait, and the old IP still resolves. This is a common frus...

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

Fix 'nginx -t test failed no such file or directory' Error

When running nginx -t to test configuration, you may encounter the error nginx...