http://www.megaupload.com/?d=C7O3A32M
Install after installation it will ask for serial number and it wont work click cancle then it will ask for a activation and with keygen there's one in there use it and then bam done

.:: For vista user's ::.
Right click Vegas 7.0.exe>Propeties>Compadibility> Run as admin.
(still close?)
Right click my computer>propeties>advancesettings>Data Excute Program> Add> Vegas 7.0.

Done =]

enjoy