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Troubleshooting

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

Troubleshooting

Fix Windows Update 404 Not Found Error When Antivirus Interferes

You try to run Windows Update, but instead of the usual process, you get a 404 Not Found<...

Troubleshooting
Fix Windows Defender Can't Connect to Microsoft Server

When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...

Troubleshooting
Fix Windows Update Cleanup Stuck Using Command Prompt

You ran Disk Cleanup to clear Windows Update files, but it sits at 'Working on updates' for hours...

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UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Troubleshooting
Fix MySQL Connection Refused Due to Bind Address

When you see ERROR 2003 (HY000): Can't connect to MySQL server on 'server_ip' (111 Connecti...

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