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Folding is currently paused. When you are ready, click the button above to start folding.

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When you visit this page your computer will automatically start to fight disease by running protein folding simulations for scientists around the world. We call this "folding".

You are contributing to project N/A.

A passkey is a unique identifier which you can use to track your individual points. It will also allow you to earn bonus points.

Folding@home allows anyone to use any valid name to identify themselves. This means that if you choose a common name there are likely other people using it as well.

Unsupported Passkey

Passkeys must be exactly 32 characters long and contain only: 0123456789abcdefABCDEF

If you do not have a passkey please leave this field blank.

Nothing was saved. Please make corrections and try again.

The progress bar shows an estimate of how long the current task should take. The text directly below the progress bar tells you what task the client is currently working on. Typical tasks are downloading, waiting, running a simulation or sending back results.

Scientists submit simulation projects to Folding@home. The project box displays information about the simulation project currently running on your computer. It tells you information about the science, the type of disease being targeted and the person or persons responsible for the research.

Failed to download the necessary software to your browser. Please reload the page to make another attempt.

Failed to return Work Unit results to Folding@home servers. Work Server responded: . Please reload the page to try again.

We're sorry, we could not load Folding@home in your browser because our Web app requires Google Chrome version 31 or better.

You may like to try the Desktop App instead.

You need to register at in order to use this client.

We're sorry, we could not load Folding@home in your browser.
  1. Are you using the Google Chrome browser version 31 or newer?

    This Folding@home Web App requires Google Native Client which is provided by the Google Chrome browser. You can check to see if you have version 31 or better by typing chrome://version in to your address bar.

  2. Have you enabled NaCl?

    Currently you must enable Native Client manually by typing chrome://flags/#enable-nacl into the Chrome address bar and clicking Enable. If it says Disable that means Native Client is already enabled.

  3. Is NaCl debugging disabled?

    Native Client debugging is disabled by default but if it is enabled it will inhibit our software from running. To ensure debugging is disabled, type chrome://flags/#enable-nacl-debug into the Chrome address bar check the setting.

  4. After making changes did you restart your browser?

    To make changes to the NaCl settings take effect, choose Quit from your browser menu and start again.

  5. Are you connected to the Internet?

    You must be connected to the Internet to run Folding@home. Our software downloads problems to work on from scientific institutions around the world and uploads solutions found by your computer which help scientists fight disease.

Or try the Desktop App .