How do you upgrade 5.0 to 6.0? I tried to upgrade it on Windows ME but it kept crashing on me. I had no choice but to back up the database - even though it kept crashing. I reformated my hard-drive and switched to Windows 2000. I now have a blank 6.0 on my computer and am trying to load in the backed up database into it. However, I keep getting an error message that someone else is using the files. I am not networked with any other computer.
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