Help and information for an OLD DS user!

Hi, first let me apologise if I've posted this in the wrong place, it's my 1st time. I have a DS Firecard running on version V2.55. I have tried to load a couple of games that won't work (Henry Hatsworth and Mario....Winter Olympics) because the screen with "corrupt data, turn off and re-insert card" etc appears. Can anyone help? Also can somone explain what does M3,M4,M5 etc mean?Thanks
Nick

have you tryed Mario kart ds or Mario party since winter Olympics needs a patch for it
some good games does not need a patch use the search button on nds games to find theses games
Pandora's box
Pokemon platinum,diamond and pearl
spore

Thanks Chaunceez for your response. Yes I've got all those games and they work fine. What is a patch and is it easy to do?

Read the Common Issues on saving https://www.romulation.org/forum/index.php?topic=1462.0The M3,M4,M5 tags are explained here https://www.romulation.org/forum/index.php?topic=1359.0

a patch is to fix something up on that game if your a new user just download pre patch ones its a pain for download heaps of pre patch games because theres a lot of fixes (if in jap)maybe ask anandjones for a vid