system file write error

[Baltar]

whenever I try to install daemon tools 4.0 or any version of stpd i get the system file write error, can anyone help me

[Digger]

Check write permissions of Windows\System32\Drivers directory.
Ensure you are logged in as administrator, and try to disable e.g. anti virus or similar software.

[Baltar]

hi yea tried that no joy but thanks anyway if you can think of anything else that may help it would be aooreciated