PS 7.0 - Cannot save patterns due to a disk error

Hey everyone. I have a lot of PS patterns saved which I use reguarly. I tried to save them because sometimes PS likes to reboot itself and lose the patterns and I have to mess around re-installing them. However, when I tried to save the patterns it came up to say "Cannot save patterns due to a disk error"
What am i doing wrong here? Have I run out of space? How can I fix this problem? I'm hesitant to close down my PS properly because I really dont want to have to go through saving all the patterns each time.
If I have run out of space, is there a way i can get more space
My computer isn't even a quarter full so i know i have plenty of space/memory
Please help!

If you use ZoneAlarm Extreme Security then try to disable Virtualization.
Do a clean reinstall and delete the Firefox program folder.
* http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
*[[/questions/869812]]
*[[/questions/869951]]

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