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Not at all, that's the whole point of it... when you flash however you must restart the console after it's completed otherwise it'll cause damage (that's also why i made it auto-restart when done after flashing)

I just flashed my console with 17150. thank you very much again for your support. I will remark the issues I  had in the tutorial forum post that I was following.

thanks a bunch. that's very kind of you. But I think I realized the issue here, when I run the NAND flasher from the Dashboard game: is mounted properly.

does it do any harm if I start the NAND flasher like this and not the default.xex root drive kinda way?

Where are you running it from? basically, this occurs when it's unable to open a filehandle to save the dump...

I put the default.xex onto the root of a USB drive. then I boot the xbox normally. It starts NAND flasher after the bootscreen ok. My understanding is that it shoudl write to the dump to the place the NAND flasher is stated from correct? why does it try to write to game:// partition ?

when trying to dump the nand I get an "Unable to open game:\flashdmp.bin for write" error

I am on a Corona Glitch 2 16197 box

thanks a bunch.