1. Right-click the start menu in win10 system and run--enter services.msc, and then press Enter
2. Enter the service list and find Windows Firewall. If this item is disabled, the firewall cannot be started and fonts cannot be installed. Now right-click--Properties
3. After entering properties, select startup type--Automatic--OK
4. Right-click Windows Firewall and click Start, then click Finish
Recommended tutorial: windows tutorial
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