Error: failed to execute '.\ARMCC\bin\ArmAsm'

Hi, I changed my computer, installed new copy Keil uVision4 and copy my project to new location. When I tried compiled, I get error: assembling startup_stm32f30x.s... --- Error: failed to execute...
Error: failed to execute '.\ARMCC\bin\ArmAsm'

Hi, I changed my computer, installed new copy Keil uVision4 and copy my project to new location. When I tried compiled, I get error: assembling startup_stm32f30x.s... --- Error: failed to execute...
Failed to execute C:\KeilARM\ARM\BIN\CA

I recently upgraded my uVision 3 from one using CARM etc, to one based on RealView and now I can't compile my projects any more. Needless to say, CA.exe isn't in C:\KeilARM\ARM\BIN any more, but...
--- Error: can't execute 'C:\Keil\ARM\BIN\AA'

why do I get now this error: "--- Error: can't execute 'C:\Keil\ARM\BIN\AA'". I downloaded this file "rvmdk250a" and installed it on another pc. I copied the files from the older pc to the new one...
Failed to execute C:\KeilARM\ARM\BIN\CA

I recently upgraded my uVision 3 from one using CARM etc, to one based on RealView and now I can't compile my projects any more. Needless to say, CA.exe isn't in C:\KeilARM\ARM\BIN any more, but...