Hi Chonlada, we just sent you our suggestion through our support email. In case you didn't receive our message, please refer below instead:
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From your Diagnostic Report, it appears that you have a faulty Microsoft .NET Framework, and this could cause problems while running your BrillKids software. We suggest that you try repairing your .NET Framework and see if it helps.
For instructions on how to do this, you may refer to this article:
How to Repair your Microsoft .NET Framework
http://support.brillkids.com/entries/20432481-how-to-repair-your-microsoft-net-frameworkOnce you've done this, please open Little Reader, Little Math, or Little Musician and see if the problem was fixed. If it still doesn't work, do let us know and send us a new Diagnostic Report so we may continue troubleshooting:
How to Create a Diagnostic Report
http://support.brillkids.com/entries/20438423-how-to-create-a-diagnostic-report-for-your-brillkids-learning-systemI hope this helps! Kindly let me know if you need further assistance.