I wrote this software many many years ago, so I'm a bit rusty on it now.
Have you installed a new version of Microsoft Access.
Option 1.
If so look at the Automatic Installation section on this link and down load the relevant file for your Operating System.
http://www.randem.com/support.htmlThe loss of data is not related to the error as this error is coming from a third party report software intergrated into Samtools called Crystal Reports.
Option 2.
BACKUP YOUR EXISTING DATA.
Try reinstalling the software (Note down the setting in the setup section as you will need to re enter these) to see if this resolves the error message. If you've lost your copy let me know and I can let you have a copy FOC.
Your existing data should not be overwritten, so look to see if the error has gone and the data exists.
One other thing you may have had some viruses on the PC and the relevant files have been killed by the scanner. Why was McAfee installed onto the PC?