Uninstall Guide

Table of Contents

Uninstallation

Windows

This section describes how to uninstall V7 FAH application, either partially for upgrading the V7 software version, or completely for a full removal of the software.

Please exit the application, then begin (see figure 1).

Start ButtonFigure 1

Click on the Start button.

The Programs menu is displayed (see figure 2).

All Programs MenuFigure 2

Click on the All Programs menu. It will expand to show more items (see figure 3).

FAHClient MenuFigure 3

Click on FAHClient menu. It will expand to show more items (see figure 3). Click on Uninstall menu item.

A security warning prompt may be displayed (see figure 4).

User Access Control PromptFigure 4

If prompted, run or acknowledge the warning to continue the uninstall.

The optional components screen is displayed (see figure 5).

Uninstall Data OptionFigure 5

The Data component consists of the current work unit if any, log files, fahcores, and FAHClient slot configuration. Check the box for Data to have these removed as well. If only uninstalling and reinstalling, or upgrading versions, do NOT check the data box to keep the data files and client configuration.

Click the Uninstall button to continue.

Note: If FAHControl or a FAHClient slot is still running, a prompt to Please stop all running Folding@home software is shown. Please exit all FAH software. Then click Retry to continue.

Please wait as the files are deleted or removed (see figure 6).

Close and DoneFigure 6

Click Close when prompted.

Uninstall is complete.

Linux

Please let the current Work Unit finish and upload (using “Finish”). Exit the FAHControl application.

Open a terminal window. Enter the command appropriate for your version of Linux:

Ubuntu:

   sudo dpkg -P fahclient

Fedora:

   su -c 'yum remove fahclient'

Press Enter.

Enter password when prompted.

Press Enter.

Repeat for the fahcontrol and fahviewer packages if also installed.

Uninstall is complete.

Mac OS-X

For Mac OS-X, there is a third-party removal tool, located at the bottom of the this page. Stanford University does not provide any warranty for this tool. If you need further information, please visit foldingforum.org.

What if the suggestions above do not work?

If you are having difficulties with the uninstallations, please visit the Folding Forum for further help.

There is a small possibility that you have an unofficial installation of Folding@home violating our license agreement. This could be installed by someone who wants to run Folding@home on your computer without your knowledge or consent. You can inquire about this at the Folding Forum or contact your Internet Service Providers security officials.

Isn’t there some way to automatically delete Folding@home when it’s been installed without the owner’s permission?

If our client has been installed on a machine you own, without your authorization, Stanford University had nothing to do with the installation. We will aid the authorities in taking strong action against any hacker that does this without your knowledge or permission.

Overview of Folding@home

What is Folding@home?

Folding@home (FAH) is an example of a distributed supercomputer, like SETI@home, Muon1, Clean Energy Project (WCG), Distributed.net, and many others. Distributed computing allows individuals to donate their computer time to build supercomputers 100 to 1000x greater than by traditional means.

How does Folding@home work?

From the point of view of the computer, Folding@home acts exactly like a web browser. It downloads files from the internet (with security checksums to ensure that they came from the official site). Indeed, it uses only port 80 (or 8080 if available) and talks to the servers via HTML, just like a web browser. From here, FAH is different: it performs it’s scientific calculation and then resends the data back. If you are running Folding@home, you will see network traffic on port 8080 or 80. Only idle CPU time will be used by the client.

Can I run Folding@home on a machine I don’t own?

One is only legally permitted to install Folding@home on machines one either owns or on which one has the permission of the owner to run the Folding@home software. Any other use of FAH violates our license agreement.

What does Folding@home do about illegal installations?

We have taken swift action against illegal installations (such as Jethroted and Dales Kid) and are prepared for immediate action in case of other similar infractions. See below for 3rd party uninstallers.

We have remotely terminated any further calculations for these clients so they will no longer use any significant CPU time or bandwidth. In addition, these accounts have been zeroed, no more points will be added, and investigations are on going. One cannot stop someone from installing software in an illegal fashion, but we can and have removed all incentives to do so and are investigating additional prosecution of the offenders.

Has this ever happened to other distributed computing projects?

Yes. SETI@home has lead the way in many areas of distributed computing, including illegal installations.

For More Information, Please See:

Last Updated on July 01, 2013, at 10:43 PM

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