I've been having a problem ever since I installed a 2nd hard drive in my computer. I recently bought a 128GB SSD to install Windows and a few games on, but ever since I installed it I can't seem to install any programs. The message "The Windows Installer could not be accessed" keeps appearing. I believe it is because the computer is confused about which hard drive it can find Windows Installer on. All the files for Windows are on both hard drives, but I boot and run off the SSD. The SSD is the D: drive and the HDD is the C: