Having a frequent issue with Sophos on Win 10. Every morning or two I’ll come in and have no internet, due to no buffer space available. After getting tired of rebooting, I found that killing the “swi_fc.exe” process which has usually gone from using 8mb -> 200mb of memory in that time fixes it immediately. Sophos’ web intelligence thing isn’t closing connections properly and eventually Windows is unable to make new network connections as a result. Not sure if any other complaints about this have happened so far, but it’s good to know, and has fixed it 2 or 3 times so far.
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