There will lot of problems if a user browser profile gets corrupted, profile contains bookmarks, passwords ,user preferences , history of website addresses visited by user will be saved in user’s profile.Whatever changes made to browser will be saved to user’s profile. If your Chrome’s user profile corrupted you can create new user profile very easily.
Creating new Google Chrome user profile
1.Completely close all opened Chrome windows.
2.Click Start button and Run , enter the following directories .
For Windows XP - %USERPROFILE%\Local Settings\Application Data\Google\Chrome\User Data
For Vista/7 - %USERPROFILE%\AppData\Local\Google\Chrome\User Data
3.You can observe Default folder which is Chrome’s default profile, rename default folder to Backup Default .
Now when you start Chrome , a new default folder will be created automatically.After that you can transfer browser bookmarks and other settings to newly created profile.