many anti virus program makers also produce a live disk that you can down load and burn to a disk so if safe mode does not work then try this

here is a link to a small comparison of 13 live disk ( i will put two links and one or both should work and should be to the same page)

http://www.raymond.cc/blog/archives/2008/12/11/13-antivirus-rescue-cds-software-compared-in-search-for-the-best-rescue-disk/

<a href="http://www.raymond.cc/blog/archives/2008/12/11/13-antivirus-rescue-cds-software-compared-in-search-for-the-best-rescue-disk/" >13 Antivirus Rescue CDs Software Compared in Search For the Best Rescue Disk</a>

good luck and take care

chuck

their is also a unlocker program but i have not tried it yet ( no need yet)

http://ccollomb.free.fr/unlocker/

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amd dual core x2 6000 with 4 gb kit of gskill ddr2@800 and a msi 4670 with 1 gb ddr3 triple boot right now with vista home premium 64 and win 7 64 and ubuntu 9.04 64