Fast Solution to Error: 100% CPU utilization by "system" process shortly after startup.

100% CPU utilization by "system" process shortly after startup.

Just upgraded to Windows 7 Home Premium from XP on PC built with ASUS M2N32-SLI Deluxe Wireless addition motherboard with AMD Athlon 64 X2 Dual core processor and 4 GIG of DDR2 6400 memory.  Western Dig.
ATA 320 GIG for C: and Z: is SLI SATA drive.
Very shortly after logon the "system" process pegs at 100% and stays there, system is not usable.  If I try to do anything else I get a BLUE Screen and down it goes.  In safe mode all device drivers report as working properly with current drivers and the
system runs OK.  I have tried to disable devices to locate the issue, but to no avail.
I am able to run Windows Vista Ultimate (do so now) on same hardware by swaping C: drive.
Any ideas?  I need help.

Anwsers to the Problem 100% CPU utilization by "system" process shortly after startup.

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Did you run the Windows 7 Compatibility checker
http://www.microsoft.com/windows/compatibility/en-us/default.aspx
Windows 7 Upgrade Advisor
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=1b544e90-7659-4bd9-9e51-2497c146af15
Windows XP to Windows 7 Migration Guide
http://technet.microsoft.com/en-us/windows/ee150430.aspx
Here are answers to some common questions about the 32-bit and 64-bit versions of Windows.
http://www.microsoft.com/windows/windows-7/compare/32-bit-64-bit-faq.aspx
JS
http://www.pagestart.com

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If you failed to fix it, another option is to call Microsoft and walk through the process with a technician. To do this, dial "1-800-936-5700". Explain the error that you received and the steps in the update process during which it was displayed. The technician will be able to walk through the steps from getting a new product key to finishing the installation.

Another Safe way to Fix the Problem: 100% CPU utilization by "system" process shortly after startup.:

How to Fix 100% CPU utilization by "system" process shortly after startup. with SmartPCFixer?

1. Download Error Fixer . Install it on your system.  Click Scan, and it will perform a scan for your computer. The errors will be shown in the scan result.

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3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been removed. You can also use other functions in SmartPCFixer. Like dll downloading, junk file cleaning and print spooler error repair.

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