What should I do if none of the troubleshooting steps resolve the '2502' error?

If all troubleshooting steps fail, the issue might be more complex, potentially related to a deeper system problem or a corrupted system profile. Consider performing a system restore to an earlier point in time when the software was working correctly. As a last resort, a clean installation of Windows might be necessary. Contacting the software vendor's support team is also a good option, providing them with the error code and details of the troubleshooting steps you've already taken.