Help, Partition Magic, Formatting (PQRP), how to recover?

Hello,my nameisWilliam, I amusing thegoogletranslatorto communicatein thisforum.
AfterresizingmyHD,my partitionwasinaccessibleby windowswithformattingPQRP.

I haveabout 500GBoffiles and someveryimportantI needto recover.

Howshould I proceed?
Andconvert the partitiontoNTFSagain?

Thanks for thehelp.
I awaitinstructions.