hi everyone i would like to know how to unpack the windows 7 service pack 1,it says that is a Self Extracting Stub but i dont know how to unpack the windows6.1-KB976932-X86.exe. i tried using CMD with the command /ectract but it says invalid data . i tried Uniextract too but i dont work too . any idea on how to unpack it to extract the CAB file inside ??