Question
Is it possible for Windows 11 firewall rules to cause an IDM 403 error?
Asked by: USER1634
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71 Answers
Answer (71)
Yes, Windows Defender Firewall or third-party firewalls can sometimes block IDM's access to necessary ports or resources, leading to a 403 error. Ensure that IDM is allowed through your firewall. Specifically, allow IDM's executable (idm.exe) and its associated ports (typically 80, 443, and 8080) to communicate.