Originally Posted by Tugger
That is very very strange. Same operating system (Win 7 64bit), same version of Calibre, same version of plugin, same file to unpack. And I tried closing Calibre then running it again with the same result. And I'm only using about 3GB of the 12GB in the machine. Now what do I do?
In Windows I believe calibre is a 32 bit application so you won't be able to use more memory. Have you rebooted your computer?