c&c first decade

[ckc]

Hi, i just bought c&c the 1st dacade for my pc and would like to know what is missing from my computer as i keep getting a error message each time i try to install it,1 have a advent pentium 4 2 gig ram 3400 processor and its got the xp windows, on my lesser machine it works , i noticed that as soon as i used windows xp update option even my original quake 4 no longer boots up either, checked for viruses, spyware and used registry mechanic but i still get this error code e:\ is not a valid win 32 application, same comes up when i try the setup from disk, i have been in touch with advent and ea support not help there never had this problem with my amd chip set machine