Youtube page looking weird & no video!

Hi all,
Today I run "Advance system optimizer" after completing the process it ask me to restart.After restarting it showed some .dll file missing, I run the 'registry repair' and it was solved but,now my youtube videos is looking like this

[IMG]http://i564.photobucket.com/albums/ss90/bhavintandel/Youtubepagelookingwieard.png[/IMG]

And google page looks like [IMG]http://i564.photobucket.com/albums/ss90/bhavintandel/googlepagenotshowinggooglelogo.png[/IMG]

and my youtube videos are also not played. How can I fix the problem!

Thanks in advance.