New
#1
please try to check this
First enable showing of hidden and protected files [my computer>alt>tools>folder options>view>check the 'show hidden files,folders and drives' option and uncheck 'hide protected operating systems files option'- A dialogue box will open -choose 'yes' then apply].
Go to your 'recovery disk or partition' ,assuming you have one,check the 'modified date' for the '$RECYCLE.BIN' folder.
does that date match-doesn't have to completely match but is it close to the date you first booted your computer after you bought it-if you haven't done any changes like recovering the system through the recovery partition or the recovery disc you can check the first user boot date by running 'systeminfo' (without quotes) command.