How to Fix Invalid Configuration on Windows Activation
When you see an "invalid configuration" error during Windows activation, it usually means the act...
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View listFix Windows Activation Dependency Conflict After Update
After a Windows update, you might see an activation error like “We can’t activate Windows on this...
Fix Windows Search After Disabling Cortana
If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...
Troubleshoot 504 Gateway Timeout in Windows Security App
When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...
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 Windows Security High Memory Usage
If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...
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