Fix Windows Defender Update Error 0x80070643
You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...
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3. Apply
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View listChecklist to Fix Windows Update Port Allocation Error
When Windows Update fails with a port allocation error, it usually means another program is using...
Fix Windows Defender Service Not Starting Error
If you see an error that Windows Defender won't start—or the service stops immediately—it's usual...
Fix Windows Defender Real-Time Protection Grayed Out
You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...
Fix Windows Update Error 0x80070002 Version Mismatch
You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...
Fix Chrome Access Denied Error After Update
After a Chrome update, you might see an 'Access Denied' error when trying to visit certain websit...
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