Checklists for software errors, setup, and tool workflows.

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Fix Windows Search Not Working in File Explorer

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...

Fix Windows Search 504 Gateway Timeout Error

You open Windows Search, type a query, and instead of results you see a 504 gateway timeout error...

Fix 'npm command not found' on Linux

When you type npm in the terminal and get command not found, it usually...

Fix Chrome High Memory Usage & Permission Denied When Clearing Cache

You're trying to clear Chrome's cache to free up memory, but you see a "permission denied" error—...

Fix 'Not Recognized as Internal or External Command' Error

When you type a command in the Command Prompt and see 'is not recognized as an internal o...

Fix 'Access Denied' Error When Activating Windows 10
You're trying to activate Windows 10, but you see an error like 'Access Denied' or 'Permission De...