My computer has a bsod but i dont know how to remove it

[nadia_64]

Hello,
my computer has a bsod and i am unable to remove it it keeps saying avg antivirus is out of date but avg is not in the computer i tried looking everywhere for it but i still couldn't find it please help

 

[profkefah]

try this

follow this
download ccleaner from thislink
http://www.mediafire.com/download.php?u665zp8adotde8i
install it only
donot run it
then download ccleaner enhancer from this link
http://www.mediafire.com/download.php?mkqqieuvy8o0vv5
run it
and press download latest
then run ccleaner now
now
in
cleaning tab
check all selection in windows and application tab
except the selection of wipe free space in windows tab
press cean now button in the right side
after that go to registery tab and press search for
then press fix all selected

download antimalwarebyte from this link
http://www.mediafire.com/download.php?afsg5nhgcvll1wh
install it and run it then update it if it asked
then perform full scan to whole computer partions from safe mode