Laptop. i done a system restore on my laptop,when it booted back up it wount go past windows saver

Question

i done a system restore on my laptop,when it booted back up it wount go past windows saver ,windows xp comes on the it says,tjis applivation has failed to start because WININET,dll was not found.re-installing the application may fix this problem, and it wount go a futher, can you please help me