Help. Cannot open some programs,intermittent shutdowns...etc

Hey folks,

after doing some lurking, i am hoping someone can help me. I have run AVG and spybot and adaware...so far they have not detected serious threats, yet i am having trouble opening internet explorer, i am having trouble opening and downloading various programs. I can browse with firefox without too many issues, although i will get error messages from time to time. Examples of what i am seeing frequently are:

MSIEXEC.exe has encountered a problem

internet explorer has encountered a problem

lwinnudv.exe has encountered a problem

my system is also shutting down randomly for time to time

Any help is greatly appreciated!

Post a hijackthis log from the read this first section at the top of this page just scroll down the page and there it will be.

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