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Troubleshooting

How to Fix PowerShell Authentication Failed Errors

When you see "authentication failed" in PowerShell, it typically happens during remote sessions (...

Troubleshooting

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...

Troubleshooting
Fixing NGINX 502 Bad Gateway Permission Denied

If you're seeing a 502 Bad Gateway error from NGINX and the logs mention p...
Troubleshooting Fix Task Scheduler 404 Not Found Due to Permissions When you open Task Scheduler and see a '404 Not Found' error when trying to view or create a task... Troubleshooting Set Windows Update Service to Run as Local System Account If Windows Update fails with errors like 0x80070422 or the service won't start, the service might... Troubleshooting Fix Windows Activation Version Mismatch Due to Incorrect Edition You install or upgrade Windows, then see an activation error like “The version of Windows you hav...

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