And did you check the files are not read only?
http://kb.sagesoftwareonline.com/app/answers/detail/a_id/21880/~/%22some-files-are-read-only%22-error-when-trying-to-open-the-file-locally
It's a common error so tell the forum if you are unaware of how to check.
Bob
I'm using Simply Accounting 2011 Premium and all of a sudden it won't open. i get the message: database cannot be opend because some database files are read only. Ensure you have sufficient rights to the files and try again. What do I do ???? I need this program to open ASAP ! Thanks

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