please share with me your expirience on the listed issue
McAfee Device control Device detection event export/import procedure resuts error.
Export of the device data is made from hDLP monitor. Import is made into Device Definitions window
Screenshot of the error Window says "the file you are thrying to import is empty or creted in incorrect format
If you are using 2008 / 2008 R2 then this message appears due to User-Access Control.
Temporarily disabling it while using the import function will fix that issue.