User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:126.96.36.199) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729) Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:188.8.131.52) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729) A few weeks ago, with 3.0.10 and now with 3.0.11, I receive from Windows Defender, frequent (every 10 minutes) requests to permit system changes. Here is what is reported: Summary: System Configuration change occurred. This agent monitors security related configuration changes made to Windows. Detected changes: New: 1110:UDP:*:Enabled:Windows Media Format SDK (firefox.exe) Original: Not available firewallport (New): HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List\\1110:UDP Advice: Permit this configuration change only if you trust its origin. It is recommended that you run a quick scan if you choose to deny this change. Checkpoint: Firewall Port Exceptions Category: Configuration Change Reproducible: Always Expected Results: No requests for system changes. This does not occur on my other computer.
This is not Firefox that does that - it's a plugin that does that (Windows Media Player ?).