You can try resetting Chrome:
https://support.google.com/chrome/answer/3296214?hl=en
- Click the Chrome menu Chrome menu on the browser toolbar.
- Select Settings.
- Click Show advanced settings and find the "Reset browser settings” section.
- Click Reset browser settings.
- In the dialog that appears, click Reset. Note: When the "Help make Google Chrome better by reporting the current settings" checkbox is selected you are anonymously sending Google your Chrome settings. Reporting these settings allows us to analyze trends and work to prevent future unwanted settings changes.