Either IDLE Can't Start a subprocess or a firewall software firewall is blocking the connection (Win)--Battlin McAfee

[Terry Reedy]

On 12/16/2009 9:31 PM, W. eWatson wrote:
> See Subject msg from Python 2.5 Win XP. It is preceded by a "Socket
> Error". It happened while I had a simple program displayed, and I wanted
> to see the shell. The msg occurred when I pressed Shell on Run from the
> menu. I played around for awhile, but got nowhere. Same msg. I did
> remove my McAfee firewall protection, and it worked once, but reverted
> to not working.
>
> I rebooted and the first time I could use Shell, it succeeded. After
> that it failed. Comments? Geeze! Mcaffe turned on the firewall again
> after the reboot.
>
> All seems well now. Nope. McAfee turned the firewall back on. It decided
> to warn me it was off, but now has allowed me to ignore the fact it is
> "no longer protecting me". I'll just let Win firewall do that, thank you.
>
> Nope it's back. I'll just stop here and let anyone who wants to just
> chime in. If I get it to stop, I'll be back.

Works fine for me with xp and some version of McAfee, but I may have had 
to tell Windows Defender some years ago, as admin, to allow IDLE to run. 
Don't remember for sure now.