Checklists for software errors, setup, and tool workflows.

Fix Windows 10 Task Scheduler High Memory Usage

If you notice that Task Scheduler (taskhostw.exe or TaskScheduler.dll) is using an unexpectedly h...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

Task Scheduler Reset Settings Checklist

When Task Scheduler starts behaving oddly—tasks not running, missing triggers, or error messages—...

Windows Update Service Not Running: How to Fix

If Windows Update fails to check for updates and you see an error like “Windows Update service is...

Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...