i installed google chrome but after that i am unable to browse any website through IE, firefox, and chrome too, nor msn and vbuzzer messenger is working ,only skype and outlook is working now , please help me to slove this problem.

I don't want to be rude but .. Your problem has obviously nothing to do with Chrome.

Since we have so little detail as your current setup, here are some suggestions :

Verify your firewall settings.
Verify your router settings.
Verify your parental control settings.
Scan for viruses / trojans / worms.
Format C:

I'm assuming you are posting this from another computer. If I had to guess you have an infection. Open up a command prompt window (cmd from the run command) and try to ping www.google.com. What happens?