How can i find out the concluding piece erased from my computer?

How can i find out the concluding piece erased from my computer?

You can't when it's gone it,s gone for righteous don't even try a system restore as this is not meant for programe files one and only the operating system files only and will rumple your system.
Recycle bin?
Recycle bin?



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System Restore.

Avatarxz
recycle bin
in your recycle bin
Write to Run later and click OK?