Suklam bharadharam Sloka - English meaning

Suklam bharadharam vishnum - Sasi Varnam Chaturbhujam
Prasanna Vadhanam Dyayate - Sarva Vighenopa Shantaye

Meaning

To remove the obstacles that come during performing a work I Pray upon Lord Vishnu 
Who wears white dress
Who's body complexion is like moon 
Who is having four arms
Who is having peaceful enlightened body 

The meaning is explained in Vocally in the following video