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Fix Windows Security Not Starting Due to Third-Party Antivirus

If Windows Security (formerly Windows Defender) refuses to start or shows a blank screen, a third...

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

When you run a command in Command Prompt that requires internet access—like ping,

Fix WinRAR Checksum Error After Update

After updating WinRAR, some users see a "checksum error" when opening archives that worked before...

How to Fix Windows Defender Blocked by Group Policy

When you try to open Windows Defender and see a message like "This app is blocked by group policy...

Fix MySQL Connection Refused on Localhost

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...


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