Solution when synchronization of Windows 11 calendar and Google calendar fails (ERROR error).

All apps> Windows Tools> Security-enhanced Windows Defender Inbound and Outbound Restricted Operations (A)> New Rules (N)> Programs Next> All Programs Next> Allow Connections Next Check all and Next> Enter your name in the name field and complete. The above is the solution, but if you know how to remove the firewall only for the Windows calendar, I think that security will be strengthened, but

If you have security software installed, you don't need to be so nervous. If you want to strengthen security, you can use a security router such as SONICWALL that prevents computer viruses by linking router + security software.

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