As it turns out, Windows sometimes removes the third-party driver with its built-in driver option after downloading a Windows update. This can be the major culprit for the Epson scan not working ...

Once drivers are uninstalled, you can visit the epson.com website and search for your printer model. After that, select your Windows OS from the Download tab and then download the required software.

After restart, PS7 will list the Epson TWAIN as an import option. I scanned few pictures within PS7 and it works fine. You can delete the SGX62MacOSX directory (I think it is in the root directory ...