Try to open the browser in safe mode.
Restart the system > tap F8 > Safe Mode with Networking.
If the browser does not open in safe mode as well, uninstall the browser using Revo uninstaller. Click the link mentioned below to download Revo uninstaller:
Ensure that you perform a deep scan and remove Google chrome from registry as well. Once the browser is uninstalled. Restart the system and install the latest version of the browser.
NOTE: Please backup the registry.
Thanks & Regards