HELP STEAM ERROR

[Cube!X]

Hello e*pvpers ,
i have a problem with steam :
when i try to start it , it says :
" Steam.exe (main exception): ERROR: deleted Steam.exe but the file is still there "
I have :
-Windows 7 Home Premium
-64 Bit
-No Tune Up
-(idk what i need else to write)

Please Help!

Here is a pic of the error :

[fintan1337]

go into the steam folder and delete clientregistry.blob
start steam, it will update and run perfectly!

[Cube!X]

sorry but its the same problem , because it create a new clientregestry.blob when i
delet it

[Pineapple.]

try to reinstall steam