Many of web users may came across this problem while watching videos in youtube or in some other websites your laptop may freeze and audio slows down. For some users it may happen every time they tried to watch videos in online. Here are few things to be done to overcome this problem.

* Run softwares like ccleaner to remove all junk files 

* Use latest version of flash player

* Use browsers like chrome or firefox or latest version of IE

* Use websites such as cnet.com and filehippo.com to get latest versions of software and application you installed on your laptop

Try these few above mentioned steps and they might helpful to overcome your problems. Hope this information might be useful for you, Happy Computing !