I want to deactivate Acrobat 8.1 on one computer so I canI want to deactivate Acrobat 8.1 on one computer so I can activate on another, but the deactivate button is greyed out. avtivate on another, but the deativate button is greyed out.

I want to deactivate Acrobat 8.1 on one computer so I can activate on another, but the deactivate button is greyed out.

My standard list of things to do first for these wierd sort of problems, but I also tend to run these before I go to burn an iDVD project just to be safe. Keep in mind this list represents the programs I tend to use. There are several alternate programs that do the same things with some combining the functions of some of the ones below. So everyone has their favorites, but here are mine...
Run MacJanitor (free download) to do all the Unix Cron Maintenance scripts.
Run Disk Utility (Applications -> Utilities) and repair disk permissions on your start up drive (typically your internal drive). Also verify any other drives mounted on the system, especially any external drives that you use for iMovie and iDVD projects.
Run Preferential Treatment (free download) to check for corrupt/damaged application and system preference files.
Run Cache Out X (free download) to clear all system and application caches.
Reboot your Mac (after running Cache Out X you are given the option to restart the machine).
My guess is that after running Cache Out X and restarting you might find your hard drive space back again. If not, you might try booting off your restore/install CD or DVD that came with your system and then trying to delete that log file, then rebooting with your hard drive again.
Patrick

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