The same thing happened to me as well! I had to restore my computer to factory default and it wiped all of my pictures off of there.
The same thing also happened to Jenny (mimimomo) and she figured out how to get some of the pics back, so she talked me through it. Do you use photoscape for photo editing?
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♪ Jimi | Marshall | Hendrix ♫
"When the power of love overcomes the love of power, the world shall know peace." - Hendrix