My harddisk info shows more free space as it has capazity

hi everyone,
my harddisk info shows more free space as it has capazity!
Even after using the harddisk-tool to repair rights and catalog
the info below the harddrive shows more GB than it's own size.
This also appears in the info-window (command - i )
749,GB size of HD / 765,16 GB free
But the information about the harddrive shown in the harddrive-repair-tool
seems to be right, and shows approx. 600GB free of the 750GB harddrive ...
I'am a bit worried and are looking for a solution to repair this ...
best, boschma

thx for answering ;-)
yes, I did, under FIRST AID as well ... no positive result
thx for the tipp about 'Disk Warrior'
I will try that - update to follow ...
edit:
oops - that's a lot of money to pay for 'Disk Warrior'.
maybe there are any other utilities? tipps? tricks?
Message was edited by: bosbos

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