Mac shut down slow!!

Mac shut down slow!! please delete this post

i am using a mbp with 2.4g cpu and 4g ram. i m trying intall parallel 5 for win7 but after that the shut down for mac become very slow(appox. 1 min). i was searched on google and everything i can but the problem remain.
what i did:
try changed the memory for win7 from 512mb to 2g
reset PRAM
uninstall and re-install

i've read something about the permission but there didnt give me a step to step tutorial

here is my system log:

Apr 29 10:01:45 CDs-MacBook-Pro shutdown[250]: SHUTDOWN_TIME: 1272531705 18693
Apr 29 10:01:45 CDs-MacBook-Pro Parallels[252]: Stopping Parallels Dispatcher Service
Apr 29 10:02:45 CDs-MacBook-Pro Parallels[283]: Stopping Parallels networking
Apr 29 10:02:45 CDs-MacBook-Pro prl_naptd[122]: Exiting Parallels Network Daemon
Apr 29 10:02:47 CDs-MacBook-Pro Parallels[308]: Unloading kernel extension prl_netbridge.kext
Apr 29 10:02:50 CDs-MacBook-Pro Parallels[333]: Failed to unload kernel extension prl_netbridge.kext
Apr 29 10:02:50 CDs-MacBook-Pro Parallels[338]: Unloading kernel extension prl_vnic.kext
Apr 29 10:02:52 CDs-MacBook-Pro Parallels[364]: Failed to unload kernel extension prl_vnic.kext
Apr 29 10:02:52 CDs-MacBook-Pro mDNSResponder[28]: mDNSResponder mDNSResponder-214.3 (Feb 11 2010 04:49:16) stopping
Apr 29 10:02:52 CDs-MacBook-Pro DirectoryService[15]: BUG in libdispatch: 10D573 - 1960 - 0x10004004
Apr 29 10:02:52 CDs-MacBook-Pro WindowServer[78]: hidd died. Reestablishing connection.
Apr 29 10:02:52 CDs-MacBook-Pro WindowServer[78]: Unable to create event queue via hidd: (0x10000003)
Apr 29 10:03:19 localhost com.apple.launchd[1]: *** launchd[1] has started up. ***


see if anyone can help?
many thanks!!