Hello Ra19, 

Thanks for reaching out!

Regarding firewalls and program blocks, please see Steps 1 to 4 on: How to get Windows to trust Sage 50 and other programs? Most of this content should apply to your Sage 50 US install.

Students may receive support for installation issues only. If you're still having issues after installing all Windows Updates and trying the steps in the blog above, then contact the Sage 50 US support team at 1-866-747-3888 and let them know that you need help getting your install to launch. Hope this helps!

Warm Regards,
Erzsi

It's not an installation problem, it seems to be within Sage. The notifications are saying that Sage is refusing to open and work. Uninstalling and reinstalling I am hoping is a last result, but should I just uninstall and start over or call support? The program was working perfectly fine yesterday and earlier this morning and then it just closed and refused to open and work.

Uninstalling won't ensure a clean reinstall, traces of the program will remain. Pending Windows updates can block the program from launching. Please report back after trying :

Erzsi_I said:

Steps 1 to 4 on: How to get Windows to trust Sage 50 and other programs

Also see KB 10975 titled "When I click the icon, the program does not open and nothing happens"

The exact notification message can be looked up at : https://support.na.sage.com/ for more clues.

Uninstalling won't ensure a clean reinstall, traces of the program will remain. Pending Windows updates can block the program from launching. Please report back after trying :

Erzsi_I said:

Steps 1 to 4 on: How to get Windows to trust Sage 50 and other programs

Also see KB 10975 titled "When I click the icon, the program does not open and nothing happens"

The exact notification message can be looked up at : https://support.na.sage.com/ for more clues.