Seems like deluge for windows had thread race issue. Setting the priority won't help at all. Setting affinity does help in my case. Anyhow just wanna list down the symptoms to help you guys identify the most common problem with deluge for windows. 1. IPv6 - You will see the unhandled VC++ Exception ...

I've been using deluge for over 1/2 year on Windows, & the causes of my crashes are the followings 1. IPv6 used by asio library exception not handled causing the VC++ exception error 2. Older library or mismatch library when installing newer version on top of previous installation 3. For some re...

Just to remind you guys that if you encountered VC++ Exception & you're using Windows other than Vista, it is most likely caused by IPv6. Just install IPv6 stack should help this issue.

For those using Win2000, WinXP or Win2003, please install IPv6. The asio library used by deluge uses Windows library function that will fail when handling IPv6 addresses if IPv6 protocol not installed. Mine stop crashing for the last few days since I installed the IPv6.

LMAO no wonder WSAAddressToStringA when passed with IPv6 address structure, it always return WSAEINVAL exception. It is because the IPv6 protocol not installed in the computer! WTF!

I bet this is the reason so many people encountering VC++ Runtime Library error on Windows.

If running from deluge.exe all we can see is MS VC++ Runtime Library error, as with all other unhandled exceptions. If running from python this is the error terminate called after throwing an instance of 'asio::system_error' what(): An invalid argument was supplied. It crash not long after these cod...