Chrome released a new version for the Windows only a few days ago. But if you have already installed an older version of Chrome on your PC and try to update it to the new version (56.0.2924.87) from within Chrome, then it ends up in an error 0x80040905. The full text of error reads – An error occurred while checking for the updates: Installation failed. Please try again. (error code 7: 0x80040905 — system level).
This error occurs because of the Google Chrome processes become unresponsive for some reason. You can fix this error by simple terminating all the processes belonging to Google Chrome. One way to do this is to reboot your PC.
But a quicker method is to use Task Manager and terminate some of the processes as follows:
- Close Google Chrome browser if it is running.
- Press the hotkey Ctrl+Shift+Esc to open the Task Manager in Windows.
- In the Task Manager, switch to the Details tab.
- Find and select a process named GoogleUpdate.exe and then click on the End Task button to terminate this process.
- Repeat above step to terminate other possible processes related to Google Chrome like GoogleUpdateOnDemand.exe, GoogleCrashHandler.exe or GoogleCrashHandler64.exe.
- Now start Chrome browser once again and try to check for updates. You can check for updates by pulling down the menu and selecting Help → About Google Chrome from there.
If this does not work, then reboot your Windows PC and try again. If all else fails, then you can just download the full offline installer from https://www.google.com/intl/en/chrome/browser/desktop/index.html?standalone=1. This offline installer contains everything you would need to use the latest version of Chrome on your PC. But before using this offline installer to setup Chrome on your PC, you should remove the older version and reboot your PC. This will make sure that all the Google processes that could interfere during the installation are shut down.