
How to Configure Windows Defender Firewall Settings for a Network
If you're having trouble with network connectivity or need to allow an app through the firewall, ...
Software troubleshooting desk

If you're having trouble with network connectivity or need to allow an app through the firewall, ...

When you try to open a remote desktop log file—often located in %WINDIR%\System32\winevt\Lo...

You see "Windows isn't activated" or "We can't activate Windows on this device" even though you h...

When Windows Defender offline scan fails to start or complete on Windows 10, you might see an err...

You notice your PC slows down during file sync operations—OneDrive, Dropbox, or local sync tools—...

You're trying to install Windows Security (formerly Windows Defender) using an offline installer,...