
Fix Windows Defender Can't Connect After Update
After a Windows update, you might see an error that Windows Defender can't connect to the service...
Software troubleshooting desk

After a Windows update, you might see an error that Windows Defender can't connect to the service...

You open Windows Security or try to run a scan, and instead see a 504 timeout error. This typical...

When PowerShell fails to connect through a proxy, you'll typically see errors like Unable t...

You're working in the VS Code integrated terminal on Ubuntu, and when you try to run a command li...

When Windows Search stops returning results or the indexer crashes repeatedly, a dependency confl...

You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...