i keep my utorrent client RUNNING during the night . i installed comodo firewall last night & got a BSOD, i restarted & a few hours later got another BSOD .

Are there any issues b/w comodo firewall & running utorrent for long times?? i have not made any hardware changes & only change was installing this firewall ( i m using avira antivir but it hasn't given me any problems whatsoever)
i shall be really thankful if someone can help
thanks in advance