If this is a Windows 8 or 10 Computer there is an issue that comes up, and even with this fix may reappear after Window applies updates.

Uninstall VIP 7
Clear Registry of all ESI References

At a Command Prompt with Administrative Priviledges enter the following:

bcdedit.exe/set {current} nx AlwaysOff

Reinstall VIP7

There are some security issues, and I know this has been used previously to overcome issues but since there has been no mention of it in the post so far I'll just throw it out there.