The “Sage 50 cannot be started” error usually occurs when you have recently upgraded your Windows operating system. When faced with this sort of Sage error you can use any of the solutions mentioned below:
• Go to properties and disable ‘Run in Compatibility Mode’
• Restart the Pervasive service on the computer that hosts Sage
• Use the Sage Advisor Diagnostic Test to resolve minor errors
• Edit your antivirus and firewall settings so that it does not block Sage 50

If you want to know the exact steps to implement the solutions mentioned above you can call the Sage tech support phone number and speak to a trained expert.

Solved: How to Fix Error Sage 50 cannot be started