Stopping Cron

[Duncan]

Help , i want to stop cron and restart coz i jus noticed crond is not running properly , when i kill the process and restart twice this is the error that i get or when i try and restart it , wat does it mean 

 [root at blahblah/root]# /usr/sbin/crond restart
/usr/sbin/crond: can't lock /var/run/crond.pid, otherpid may be 3778: Resource temporarily unavailable

help!!!!!
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Duncan Rack
Mweb Business Solutions
16th Floor Intermarket Life Towers
77 Jason Moyo Ave , Harare 
Tel : [263] 4 253355/00-09
Fax: [263] 4 70 80 55
Website : www.mweb.co.zw