Hi! For https://github.com/gambit/gambit/issues/320 : Can you please run ",q" in the gsc/gsi of http://www.iro.umontreal.ca/~gambit/download/gambit/v4.8/prebuilt/gambit-v4_... on your 64bit Windows machine and report back here if you experienced a crash or not. Please report which Windows version you are using. Also if you have a bit of time please compile the MingW64 Gambit with debugging symbols enabled, and provide the stack trace / debug info for the crash. Thanks! Adam