Hi, please understand that Microsoft provides different support services which have different service levels and support boundaries. For this process crashes issue, it is necessary to debug the related crash dump files to locate the root cause. However, debugging is out of our Forum support boundary. I’d like to recommend that you contact Microsoft Customer Support Service (CSS) for assistance, the support professionals there are better qualified to assist you.
To obtain the phone numbers for specific technology request please take a look at the web site listed below:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;PHONENUMBERS
Thank you for your understanding.
Before that, you could perform the following steps to troubleshoot the issue:
1. Use the System File Checker tool (SFC.exe) to check the system file:
Some Windows Vista functions may not work, or Windows Vista may stop responding
http://support.microsoft.com/kb/929833/en-us
2. Perform a clean boot in Windows Vista:
How to troubleshoot a problem by performing a clean boot in Windows Vista
http://support.microsoft.com/kb/929135/en-us
Hope it helps.