Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender 404 Not Found in Group Policy

When you open the Group Policy Management Editor and navigate to Computer Configuration > Adminis...

How to Fix Git Push Rejected Non Fast Forward Merge

You run git push and see an error: rejected – non-fast-forward. This happen...

Task Scheduler Task Not Running on Startup: Permissions Fix

You set a task in Task Scheduler to run at startup, but it never does. The task shows as ready, b...

Fix Microsoft Store Not Responding or Slow Startup on Windows 10

If the Microsoft Store takes forever to open, freezes on startup, or shows a blank white screen o...

Fix OneDrive Sync Error 0x8004de40 – Authentication Failure

You're working on a file when OneDrive pops up an error: "Authentication failed – Error c...

Fix Windows Update 502 Bad Gateway Related to Proxy Settings
If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...