> ## Corrupted files

> From time to time computer files may become corrupted. This can happen for many reasons, including power surges, hardware problems and computer viruses, along with others.

> You may be able to repair a corrupted AudBase file by using the 4D Tools application. 4D Tools allows you to diagnose and repair corrupted data and structure files. 4D Tools are included on your installation disk or you can download 4D Tools application and documentation from 4D at http://www.4d.com.

> Download the version of 4D Tools compatible with the 4D version associated with AudBase. To find out the 4D version number, do one of the following:

> - If you are using Windows, see Help > About, and select the File Info tab.
> - If you are using Macintosh, select Apple > About AudBase, and select the File Info tab.