removal of windows 7 ultimate

hello,

receiving the following message after i completed the last step on the removal of windows 7 ultimate. please advise.


(activating windows 7 ultimate edition error
the activation server determined the specified product is blocked key )



Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Ultimate, Service Pack 1, 32 bit
Processor: AMD E-450 APU with Radeon(tm) HD Graphics, x64 Family 20 Model 2 Stepping 0
Processor Count: 2
RAM: 2683 Mb
Graphics Card: AMD Radeon HD 6320 Graphics, 384 Mb
Hard Drives: C: Total - 305142 MB, Free - 273116 MB;
Motherboard: ASUSTeK Computer Inc., K53U
Antivirus: McAfee Anti-Virus and Anti-Spyware, Updated and Enabled