bjsusol,

Might this be something to do with the Dec 2014 update issues?
Maybe some machines picked up the update and some didn't.

http://blogs.technet.com/b/the_micro...-updates-.aspx

I have experienced the issues of 'dead' existing ActiveX controls and the inability to insert new ones. All resolved using the below fix...


https://support.microsoft.com/en-us/kb/3025036/en-us

Hope that helps.