The ‘Key File not Found’ or ‘Bad Key File’ occurs when a user wants to open Sage 50 but some files are missing from the Shared Documents folder. The key file error is also caused because there is some malware or virus on your computer. The best way to fix the ‘Key File not Found’ or ‘Bad Key File’ error is to uninstall the software and then reinstall Sage. Additionally, it will also help if you run a malware scan on your computer before you open Sage. You can call the Sage tech support and reach out to a trained software expert to get the best troubleshooting solutions for the key file error.
