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Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Fix Error 0x80070080 When Windows Update Stuck

You see error 0x80070080 and Windows Update hangs at a certain percentage. This usually means a p...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix Windows Explorer Restarting with SFC Scannow

If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

How to Handle Python UnicodeDecodeError with errors='ignore'