Help Me to Fix this Error

[vfxpro]

Mother Board: Intel D 915 GAVL

 

Processor : Intel Pentium 4

 

Processor Speed : 3.00 Ghz

 

Memory : 1 GB RAM

 

HD : 160 GB + 250 GB sata

 

OS : XP sp2 & Mac os x leo4allv2(10.5.2) now updated to (10.5.3) using kalyway combo update 10.5.3

 

Graphic Card : no (in-built on board)

 

 

hi i have installed combo update 10.5.3 + (9.3 kernel) + (mobi kernel(15.6 mb)).

after wen i restart my pc ...i typed update -v.,it got struck.,after tat i typed update -v-x it gone inside to desktop mac....my screen resolution changes to 1024X760 or something.,then everything works fine...after tat i restarted later it doesnt start my pc got freeze(nothing jus monitor switch off but process running)after a while it starts n again i typed update -v it doesnt work...again i typed update -v -x it runs n my mouse n keyboard not working...after tat i booted wit dvd n terminal i gave permission...now works...only probelm is now...my pc on mac os x .... wat ever i install on mac while restarts my monitor switched off automatically i duno y......n wat ever application i installed on mac after it restarts my keyboard n mouse does not workin.......in the boot page it shows tat "either use one of "AppleACPIPS2Nub.kext"...after tat i checked in "extension folder" it has two "AppleACPIPS2Nub.kext".......so how to remove one...(AppleACPIPS2Nub.kext...n also how to fix tat monitor switch off probelms after i restart my pc wen ever i install any of application on mac........... very many thanx in advance.....happie new yr...2009...