I'm Trying to Install Office on an OLD P4 machine with 1GB RAM. I tries Office 2007, 2010, 2013. none of them work on it.. Office 2007 installation gets stuck at about 75%...! Office 2010 gives an error (Invalid something setup) when I double click on the setup file !! Office 2013 says missing a CAB file in the middle of the installation..!!!!!! THE THING IS .. I Installed office 2013 on a similar( P4 , 512MB RAM) machine successfully & is working just fine.. !! PS: machine is on Windows 7 Ult 32-bit Can any one help me out of this ?? Okay.. Got a Blue Screen !!! I tried office 2013 the 3'rd time and it $h@t itself with the blue screen !!! can anyone tell whats wrong ??