Tuesday 12 March 2013

uTorrent Will Not Restart

User reported that uTorrent would not run after having closed the program to restart it. A message pops up saying that an instance of uTorrent is already running. This is normal behaviour of the program. uTorrent creates numerous network connections that can take at least two minutes to close after the program has been  stopped, so there is an interval required for these connections to time-out before the uTorrent process disappears from the system (as displayed using Task Manager). This can be verified by using TCPView to monitor the network connections.

Always allow a minimum of two minutes to elapse after closing uTorrent before attempting to start it up again. Failing to do this can (and frequently does) cause a lock-up condition where uTorrent will never fully close down and a system reboot is required to clear the "stuck" process from the system.

Old hands familiar with the DEC VMS operating system will probably remember the dreaded RWAST process state - it is a bit like that old chestnut.

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