Program won't open

I downloaded a video recording program called Screencast-o-matic V2 a few days ago and have used it since then with no problems.  Now when I double-click the desktop icon, the hourglass appears for only a few seconds, then disappears and the program does not open.

I uninstalled and reinstalled three times, one of those times in safe mode, with same results.
I tried clicking on the executable file in the file path in the hard drive, with same results.

How do I get the program to open?  (Other programs can be opened.)
PeterAsked:
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Prakash SamariyaIT ProfessionalCommented:
Have you purchased that product?  
You can contact at : http://feedback.screencast-o-matic.com

There may be several other reasons like there are conflicting processes running on the machine, or registry might got corrupted or.....

You may contact your system administrator to resolve this!

Please check link below for resolution if any one can resolve it!
https://support.na.sage.com/selfservice/viewContent.do;jsessionid=EC93C021BC7F55607D5CD1485C82C4B9.worker1a?externalId=10975&sliceId=1
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