R4 Cheats

For a couple of weeks now the cheats haven't been working on my R4 Upgrade, they used to work fine before, and i haven't changed anything. What happens is, whenever i go onto the cheat menu for any of my games, the cheats are greyed out. So i re-enable the cheats, so they're not grey anymore. But when in game the cheats don't work, and when i come back to the menu afterwards, the cheats are greyed out again.Any help? It's a really annoying problem.

Try reinstalling the database.

Replying to #2

Or the firmware. You can get the latest firmware for your particular version of the R4 here. But MAKE SURE you get the right one for your card (like R4 III, R4 SDHC, etc.).