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

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

Fix VSCode Permission Denied on Save in Linux

You're editing a file in Visual Studio Code, press Ctrl+S, and see a red error: "Failed t...

Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode

If you're running the Windows 11 Installation Assistant in Safe Mode and it gets stuck at 99%...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix 'git remote origin already exists' Error on Mac

If you see fatal: remote origin already exists when trying to add a remote repositor...

Fix Windows 11 WiFi with Internet but No Network Access

After a network reset, some Windows 11 users find their WiFi connects but shows "No internet&...