cgsecurity.org

Please help, I am very stupid!

I used the wipe free space and free space in MBR setting in ccleaner, and now my disk is totally unusable. I saw that it definitely wrote a file in the top directory that matched the free space size and the disk was readable until the last 50 minutes so I have a feeling the files are still there.

Testdisk correctly finds the disk is GPT but it can't find any partitions. Photorec has not been run for a long time but it did not find any files at all at the start.

What can I do to recover anything? Is it totally a loss? I have some very precious files on this drive!

You should contact cccleaner authors to ask if it's a known problem.
Let PhotoRec (latest 7.1-WIP) run until completion, does it recover files ?

It seems that there are no files for the first 30% of the drive, and then it also sees 2 partitions. Does the disk management utility in windows 7 do something strange when you create a 3TB partition on a drive?

It appears as 800GB to utilities such as testdisk within windows but 3TB on linux. When I made it in Windows 7 it showed as 3TB.

I am wondering if I am searching using the wrong settings in testdisk.