I know this sounds backwards but I have been encountering many computer problems when I realized that Adobe Reader updates 9.1.2 and 9.1.3 plus Reader 9.1.3-CPSID_49522 were installed on my computer but the system requirements for these programs are above my computer's capability. i.e. I only have a Pentium III processor with 863MHz, 512Mg of RAM. I've already used the Add/Remove program to uninstall 9.1.2, but after reading many of the installation problems here I am afraid to proceed any further without advice since the update 9.1.3-CPSID_49522 says that it cannot be uninstalled. Can anyone tell me how to safely uninstall these so that I can reinstall Reader 8.1.3?
So Reader 9.1.2 is uninstalled, but the 9.1.3 update is still in Add/Remove Programs?
Use the Windows Installer CleanUp Utility to remove this part from the installed programs, then go ahead and install Reader 8.1. Note that the latest update for Reader 8.1 is 8.1.7.