Manually Uninstall Google Chrome from Windows
If you try to completely uninstall Google Chrome but have problems or find files still on your system, you can manually uninstall the web browser by editing the Windows registry. If you have never done so, read What to Learn Before Modifying Your Windows Registry, as incorrectly modifying your registry can cause serious system damage. You may also want to read Backing Up Windows XP Registry and Backing Up Windows Vista Registry.
If you decide to go forward with a manual uninstallation, make sure your file extensions are displayed first. In Windows XP, go to the Start menu and open the Control Panel. Open Folder Options and click View. Clear the Hide Extensions for Known File Types check box. In Windows Vista or Windows 7, click Start and select Computer. Go to the Organize menu and click Folder and Search Options. Go to the View tab and clear the Hide Extensions for Known File Types check box.
Right-click this link and select Save Link As or Save Target As. Change the File Name to remove.reg, select All Files in the Save as Type box and select Desktop as the location. Click Save.
Double-click the remove.reg icon on your desktop and click Yes or Run to add it to the registry. Click OK.
If you are using Windows XP, go to the Start menu and click Run. Type (or copy and paste) XP:%USERPROFILE%\Local Settings\Application Data\Google into the Open box and press Enter. For Windows Vista or Windows 7, type (or copy and paste) %LOCALAPPDATA%\Google into the Instant Search field at the bottom of the Start menu.
Right-click the Chrome folder and select Delete to completely uninstall Google Chrome.