someone with this problem needs to do some debugging on irc with us. I would like to try hooking up the assembly resolver in an exception handler, looking for anything interesting in the windows event viewer, running fuslogvw, running dependency walker.
bored as f*ck right now. If you can provide links for the program you suggest, I can help you. I do not see a Zeromus on IRC atm. Anyway, gonna reboot in windows 7, where the problem occur and check the event viewer using a clean install.
Edit: System viewer
Dependancy Walker log for the exe
[URL=http://wikisend.com/download/715304/BizHawk.MultiClient.zip]BizHawk.MultiClient.zip[/URL]
Running Dependancy Walker on Windows 8 where Bizhawk does run properly, there is one less error in the log, the file being GPSVC.dll doesn't give an error nor does it appear in the list, leaving only 1 error that doesn't seem to crash anything "IESHIMS.DLL"
Edit 3: Fixed by installing http://www.microsoft.com/en-us/download/details.aspx?id=17851 by itself and not relying on the prereq package for it.
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I'm on Windows 7 64-bit and I can launch BizHawk 1.4.0 with no problems but 1.4.1 fails unless the contents of the dll file are copied into the same directory as BizHawk.MultiClient.exe. I'm usually on IRC and I'm willing to help debug this; I can install whatever / compilers / debuggers / IDE's / tools are needed, so just let me know.
Thanks for looking into this,
A.C.
******
So I have XP and installed .NET 4.0 but still get this message:
EventType : clr20r3
P1 : bizhawk.multiclient.exe
P2 : 1.4.1.4300
P3 : 514e21ce
P4 : bizhawk.multiclient
P5 : 1.4.1.4300
P6 : 514e21ce
P7 : 88a
P8 : 0
P9 : system.io.filenotfoundexception
Even after copying all the dll contents into the root.
Did you just install the prereq package, mine was faulty until I manually installed
http://www.microsoft.com/en-us/download/details.aspx?id=17851
Windows 7 x64
Also worked in windows 8 without special care (assuming the stuff came with the OS itself, as it was a pretty new install)
I would also try to find stand alone installation of the other stuff the prereq package is supposed to install.
Try installing "Microsoft .NET Framework 4.0 FULL" because for some reason the requirement package doesn't have the full version of the framework. Once I installed that, it worked.
dotNetFx40_Full_setup.exe is the file that's in the prereqs package we distribute. It's actually the web installer. "For some reason" because the full version is 48MB and I havent heard anyone say the web installer functions in any different way.
Historically, our prereqs installer would mistakenly detect .net 4.5 as .net 4 and fail to install .net 4. If you were suffering from that, then installing "Microsoft .net framework 4.0 FULL" would have solved your problem for no other reason than it being the first time .net 4 was installed on your system. This was fixed in r4766 of bizhawk svn, any prereqs installer newer than 12-aug-2013 shouldnt have this problem.