In order to clear your Java Cache please follow the below steps:

1. Control Panel
- Access your computer's Control Panel and select the "View by Large Icons" option.
- Next select "Java".
- On the "General" tab select "Settings" under the Temporary Internet Files.
- At the bottom of the screen select "Delete Files".
- On the "Delete Files and Applications" screen tick all the boxes and select "Ok".
- Once completed eRes should launch without issues.