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Sorry firefox.exe / chrome.exe is taking some time to download | (not responding) firefox.exe / chrome.exe

I am making an app with WebVR using React VR. I will test the app with Oculus Rift and HTC-Vive. I am using Firefox Nightly browser to access the WebVR API.

If I navigate to my app using Firefox Nightly or Chromium, I come to an empty spot with a downloadable message. A few seconds later, I received this message on my Oculus Rift:

Sorry, firefox.exe / chrome.exe is taking a while to load. If this problem persists, remove the headset and test this app on your computer.

On HTC-Vive, I got this message on Steam VR, but it won't load at all.

(not responding) firefox.exe / chrome.exe

In webbrouwser, I got the result I should see inside the motion tracking headset.

I am using these browsers

  • Firefox night version: 55.0a1
  • Chromium version: 56.0.2910.0

And these are my specs:

  • GeForce: GTX 970
  • GeForce Game Ready Driver: 378.66
  • Processor: Intel & reg; Core ™ i7-6700 CPU @ 3.40 GHz
  • RAM: 15.87 GB
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4 answers


This is not Oculus software. The problem is the NVIDIA driver update that broke everything. You need to go to the NVIDIA website and download the drivers from the "376" generation (Dec'16-Feb'17). Fix these problems and the problems go away. I've confirmed everything works with Oculus Beta Channel 1.12, 1.14 and 1.14.



Looks like Oculus broke things because 1.14 came out almost on the same day as NVidia's "381" driver update.

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Downgrading my Nvidia driver to 376 worked like a charm for me, but I can't run VR scenes on Nightly, only on Chromium.



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I managed to get Oculus to work with WebVR by enabling the beta channel in the oculus app and letting it install the update. It looks like the current version of Oculus may be broken.

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  • Try installing SteamVR. SteamVR overrides Oculus runtime and launches apps on its own.
  • Try closing Oculus Home before launching the WebVR app using the WebVR button.
  • Make sure you are not in Beta / Dash mode on Oculus
  • Try turning off the automatic opening of Oculus Home. The House of the Oculus opens automatically when wearing a split. To disable it, select "Run as administrator" in the Oculus app properties. More specifically, go to / Oculus -Directory / Support / oculus-client / OculusClient, right click, select properties, check Run as administrator.
  • Make sure your Desktop and Rift are connected to the same graphics card. You may need an HDMI-DVI converter for this. This is what posed the problem for me.
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