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Practical fixes for tool errors, setup blocks, and workflow issues.

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Fix Windows Defender Real-Time Protection Not Starting

If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix Chrome Certificate Error Due to Antivirus Interference

You're browsing in Chrome and suddenly see a red warning: Your connection is not priv...

Python Command Not Found in CMD but Works in Anaconda
You open Command Prompt, type python, and get 'python' is not recogniz...

Fix DNS Probe Finished NXDOMAIN for a Specific Website If you see the error "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome when trying to visit a speci...

Fix Git Lock File Not Deleted After Crash If Git reports a lock file error after a crash, it usually means a previous Git operation was int...

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