If you have installed an anti-virus security software, this could block or interfere with the execution of MB STUDIO and MB SPOT.
It's therefore necessary to enter the advanced antivirus settings and add to the list of exceptions the MBStudio folder (usually c: \ MBStudio)
- AVG: https://support.avg.com/SupportArticleView?l=en_US&urlName=How-to-exclude-file-folder-or-website-from-AVG-scanning
- ESET NOD32: http://support.eset.com/kb2769/?locale=en_US
- AVIRA: https://www.avira.com/en/support-for-business-knowledgebase-detail/kbid/1243
- OTHER ANTIVIRUS: http://www.howtogeek.com/howto/35332/antivirus-slowing-your-pc-down-maybe-you-should-use-exclusions/