whats the md5 from the new one? same as the last one?
all i can say is reinstall from scratch (don't forget the punkbuster update) have you got room on your hdd for the installation (it includes the two booster packs + special forces). or you could try to disable all firewalls / virus checkers (pull the cable to be safe whilst doing this) and install then with out all those running?
which OS are you using, do the details on the error message tell you anything useful? do you need to install whilst runnig the patch as admin?
have you got the proper 1.5 patch, or the 1.5 beta patch? not sure there is any difference and wouldn't expect that kind of error message if here was. have seen a few posts that suggest beta was 1.2Gb, full version is 2Gb not 1.5 as I suggested earlier.
thats all ive got for now, i'm having great fun playing it, depends on who is on the server though, its worth the effort in my opinion, if only they had no-disked the patch that would have been a nice gift to the fan base. I'll be on later to see how you get on or if you have some more evidence I can work with.
bugger, that seems to be the right file, all I can suggest is a reinstall, but if its stopping because a process is running, then you need to find what process that is, does the detail tab in the error box tell you a process name?
I think i might leave it
I contacted EA and spoke on their Live chat to someone and they couldnt give me a fix, they told me to send them my dxdiag so i've done that and if i get a reply with a fix that works thats great but for now im not expecting it xD