iDEA works on all modern devices, operating systems and browsers, and is compatible with IE11 onwards. If you think something is going wrong, try logging in and logging out again, make sure your browser is up to date and clear your cache.
If you still experience an issue please do contact us giving us a description as to what the issue is, let us know what you were doing at the time it occurred, and if an error message appeared please tell us what it said. A member of the iDEA team will then be able to help you.
Please note we recommend you play Silver badges using Google Chrome if possible.