I stupidly did not check to be sure I had enough space before I started an
upgrade to SP5 from SP3. I made a backup and have moved it to another
volume. Now, I cannot reinstall the SP5 nor can I restore the backup. I
edited the file location without any success.

I get abends when I try to do either action.

I tried unloading java, but that causes problems to. The error message
says there are suspended processes.

Can anyone point me to a way to get back to SP3 by restoring my backup?

I appreciate any help.