Same problem happens here on the setup which worked yesterday.
I worked around the problem by adding www.gstatic.com to Restricted Sites in Internet Options and clearing the cache.
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@Jesper_ZwiftHacks
Nice suggestion!
@Daren and @Dave_ZPCMR
Would you kindly try the two steps Jesper mentioned and confirm / deny results?
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I’m very sure it will work, not ideal though. Why’s it even being polled by the launcher, if it’s so unnecessary that it can be blocked without issue?
@Dave_ZPCMR
We’re working on resolving it from this side so that Jesper’s workaround isn’t needed.
UPDATED: But in the meantime, have a few confirmations that the workaround is sound. Please use Jesper’s steps above. Dave’s illustrated guide to Windows Internet Properties (below) is useful.
Type “Internet Options” in the Win10 search bar to get there.
UPDATE v2: We’ve had users confirm they’ve clicked OK until they get past the error message. This might be a simpler workaround.
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Yep, works as a workaround for me too.
I also realised that the reason the problem had “gone away” earlier was because I was logged in already. Once I logged out the issue came back.
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Same here for me another day another problem
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Having the same problem here, the workaround above (adding gstatic to restricted sited in Internet Properties/Security) seems to have worked, but why is this necessary?!
I am having the same problem as well. Blocking gstatic worked for me also.
Regarding Update v2 (see above): I had different script error issues before and was always able to continue by clicking on “yes”. But this does not work in this case (recaptcha). The error reappears afrer every keystrokje in the input fields.
Blocking gstatic is not a long term solution in my eyes, since this site hosts static web content of google. So this might cause problems in other applications. Many other websites will use google “recaptcha”, which is the following:
“reCAPTCHA is a free service that protects your site from spam and abuse. It uses advanced risk analysis techniques to tell humans and bots apart.”
Please don’t always quote a solution that one of your paying users came up with (already in earlier occurences of script erreors), but solve the problem properly.
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Same here…
I thought that it was a virus but it seems an issue seen by several persons here…
I tried to reinstall zwift but still having the same issue 
Same here. It always popped back up irrespective of which option was pressed.
I agree it’s not a long term solution, and I’m sure Zwift don’t think so either. Since there’s no CAPTCHA in the Zwift login screen it would seem completely redundant. I dare say they can probably just remove it, and it might only be there because someone used some other code as a basis.
Blocking gstatic.com in the Internet Options should only apply to IE. Few people will use that as their primary browser these days (I hope). Chrome, Firefox, Edge etc. shouldn’t be affected. I’ve tested it, and even with gstatic.com in the restricted sites list, I can still load the script in Edge (the one most likely to take any notice of Windows Internet security options, I’d guess).
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Getting the same here, I manage to get to the Blue Zwift Screen as far as ‘‘Ride On’’ then it just disappears and will not go any further, I’ll try blocking gstatic
Thanks
You are right, I didn’t realize this only affects Internet Explorer. So the cross effect should really be very limited.
But it seems recaptcha can also be used also in “invisible mode”. And since the script is restarted after every keystroke, maybe it tries to interpret how you enter your credentials somehow.
I have just started getting this problem in the last two days. I regularly log out and log in to Zwift as family members have their own Zwift account but use the same PC/Kickr setup.
This is really annoying now. I have to click Yes in the Javascript error page multiple times when trying to enter my password. Eventually it might all get through and login, other times it is just in a loop of this script error.
This is on Windows 10.
I hope this is fixed soon.
I still can,t get past the script. The message comes up after EVERY character I type in. Logging into my account via the Zwift website shows I have no data. Not a mile. I have uninstalled and reinstalled three times with no result. And the login doesn’t recognise my password. Very, very frustrating.
@Sean_Bolton7373 @Martin_Cullen1 while it’s not ideal, you could try the workaround described by Jesper and Dave above:
That did the trick for me while we wait for Zwift to fix the underlying issue.
- Start menu / Windows key
- Type “Internet Options” and select the Control Panel item
- Alternatively, see Windows 10 recaptcha_en.js login error [November 2021] - #36 by Pascal_Trottier for an alternative route:
- Press the Windows key + R to open the Run command box.
- Type inetcpl.cpl and press Enter.
- In the dialog box, select the Security tab, then Restricted sites
- Click Sites
- Type “www.gstatic.com” in the edit box and click Add
- Then Close
You should now be able to run the Zwift launcher and log in without the script error (might need to restart Zwift).
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Thanks for the advice. I have tried blocking the gstatic website as described and it seems to have fixed the problem.
Same problem for me as well. Zwift, please fix this.