So, do you try to load your game in CTGP and you get the "Your Data is corrupted" notification? Well now there's a fix. VR is Silly is a JAR program made by Torran. It takes your save data via SD card, and modifies it to 3 stars, 9999 VR and BR and unlocks everything. It also fixes this problem.
Cause of the problem: With the Nintendo WFC Shutdown, if you made a new time trial after the shutdown, Wiimmfi wasn't able to figure out what to do with it. With CTs off, this makes loading times take forever, with CTGP on, you get an error like this:
Sorry for Japanese text, only image I could find of it via Youtube
You can download it here
You can read more about VR Is Silly here.
Cause of the problem: With the Nintendo WFC Shutdown, if you made a new time trial after the shutdown, Wiimmfi wasn't able to figure out what to do with it. With CTs off, this makes loading times take forever, with CTGP on, you get an error like this:

Sorry for Japanese text, only image I could find of it via Youtube
You can download it here
You can read more about VR Is Silly here.