Checklists for software errors, setup, and tool workflows.

Windows 10 Taskbar Icons Not Responding: Practical Fixes

If your Windows 10 taskbar icons stop responding—clicking does nothing, right-click menus don'...

Windows 11 Installation Assistant Stuck at 99% Disk Space

You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...

Fix Nginx Permission Denied for Static Files

Common Causes

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

Fix DNS Probe Finished NXDOMAIN on Google DNS Setup

If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...

Fix Windows Update Error 0x80070002 with System File Checker

When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused