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How can you block the Chrome URL: chrome://extensions/, such that extensions cannot be disabled, removed, or disabled in incognito mode by anyone (or without a password)?

What I've Tried (that's failed):

  • blacklisting the URL using my xfinity routers parental controls or OpenDNS doesn't work, since it doesn't recognize that format of URL (it expects http://... and using chrome didn't work either).

  • I have Windows 7 Home, which prevents me from using Group Policy Editor (gpedit.msc) to blacklist chrome URLs such as chrome://* through the administrative template google provides for Chrome.

  • Kiosk mode in chrome accomplishes this but it also limits the user too much (removing the address bar and shortcuts). Also, it can easily be evaded by typing Alt + F4. I would like password protection from access to Chromes internal URLs such as extensions.

  • Denying write access to all user's Chrome Extensions directory. This only prevents new extensions from being installed. It doesn't prevent current extensions from being disabled.

  • Creating supervised user accounts. Although they prevent extensions from being modified they also do not allow any extensions to be installed in the first place!

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    Are you perhaps looking for the so-called kiosk mode? – Daniel B Dec 29 '14 at 0:18
  • @DanielB - thanks, but that limits the user too much. I'd like all the functionality of Chrome but without access to internal chrome URLs such as extensions. I updated my question to reflect this – ecoe Dec 29 '14 at 0:24
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You can try with providing the Permission to the Goggle Chrome Extensions ( Allow/ Deny ) for the particular User's.

GOTO this location

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions

To disable write access, Right Click the Extensions -> properties -> security -> edit -> Select the User.

Hit Allow/Deny on check box and they will/ will not be able to install extensions.

enter image description here

Hope this helps.

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  • @vernbutech - thanks, this is a useful trick for preventing further extensions from being installed. However, my goal is to prevent current extensions from being disabled, or removed. I updated my answer clarifying this. – ecoe Dec 29 '14 at 13:59

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