I have uninstalled Acrobat Reader v9 and now want to re-install (to try to fix a problem).
When I try to download v9, I get a message telling me that the download cannot continue because I do not have administrator rights on this computer. As I do have administrator rights this is rather puzzling!
What is your operating system?
Do you get that message during the download or during installation ?
If your OS is Windows, try downloading the installer from http://ardownload.adobe.com/pub/adobe/reader/win/9.x/9.3/enu/AdbeRdr930_en_US.exe