A browser profile contains all important data such as bookmarks, extensions, passwords and other user data and it is stored in a separate folder from browser installed directory. This profile folder won’t gets deleted when you uninstall browser. A corrupted browser profile means, your browser may not able to start properly and then creating new profile is the solution at that time. Fortunately, creating new user profile for Google chrome is an easy task, here is how to do that.
Creating new Google Chrome Profile
1. Make sure you’ve closed Chrome and its background pages or apps.
2. Open Run command and type the following command according to Windows OS you’re using
For Windows XP
USERPROFILE%\Local Settings\Application Data\Google\Chrome\User Data\
For Windows Vista/7/8/8.1
3. Rename "Default" folder to "Old profile".
4. Now open Google Chrome, a new profile folder for browser will be automatically created with name "Default" .
Recovering bookmarks for a corrupted profile or moving bookmarks from old profile to new one
You might want to transfer Chrome bookmarks in old profile, for that copy bookmarks.bak in old profile folder to new profile and rename it to bookmarks.