missing HDD space by system volume information

Vinu_11

Commendable
Jul 11, 2016
51
0
1,640
i am missing 80 gb from local disk c
i am running on windows 7 service pack 1
my restore is off...
http://tinypic.com/r/11uyw7l/9
disk cleanup is all done checked with system files no files
cc cleaner cleaned no files
after checking with tree size free software i found 81.7 gb system information file (7 file)
inside it i found that 1 file with strange alphabets and numbers as file name have my 81.7gb
http://tinypic.com/r/fp1e1e/9
how to retrieve my lost space without any issue plzzz help meee
"RESTORE IS OFF" (sorry for capitals)