eTakeoff Dimension requires that 2 files be accessible in order to run. For Dimension version 5.0 and greater those files are below: (where ## is the version)
For older versions they would be:
The following error message would be displayed if these files are missing.
Check your Windows Recycle Bin to see if the files are there. The Recycle Bin is typically on the Desktop.
If the files are in the Recycle Bin, Select both files, right click and select Restore.