Than you for your post. It worked with 12.5
I was getting this error:
Backup Exec for Windows UI has encountered a problem and needs to close. We are sorry for the inconvenience
Here is what I did to get it to work.
Download .Net removal tool at
•http://blogs.msdn.com/cfs-file.ashx/__key/CommunityServer-Components-PostAttachments/00-08-90-44-93/dotnetfx_5F00_cleanup_5F00_tool.zip
Remove .net 2.0
Restart Computer
Download .Net Installation File
Install .Net 2.0 and Patch using windows update
Restart
Test backup Exec Finally opens
Go to Sleep