Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

Fix Task Scheduler 'Access Denied' When Running as Admin

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...

Fix Chrome Network Error: Proxy Settings Troubleshooting

If Chrome shows a network error like "ERR_PROXY_CONNECTION_FAILED" or "Unable to connect to the p...

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

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Microsoft Store Stuck on Loading Screen

You open the Microsoft Store and it hangs on the loading screen—spinning circle, no content. This...