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ro0tux's picture
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Joined: 11/10/2011
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Running: Unbuntu 11.10 64 bit

Foldit Error: The game has previously not started up correctly.
If this problem persists, please install the latest version.
Foldit Error: Could not load library: libglut.so.3: wrong ELF class: ELFCLASS64.

I've googled other threads where folks have/had this problem but the resolution was either vague or thread was closed.

I've attempted to update "freeglut-2.6.0" but fail on "make install" with the following:
In file included from freeglut_callbacks.c:29:0:
freeglut_internal.h:111:39: fatal error: X11/extensions/XInput.h: No such file or directory
compilation terminated.

Can anyone point me in the right direction? Thanks in advance for your time and help.

mnovak's picture
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The problem is that the

The problem is that the program requires 32 bit version of the library file. So try to install freeglut3:i386 package. Worked for me :)

Gwythyr's picture
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Joined: 11/23/2011
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im newbi

Have same problem on "The game has previously not started up correctly.
If this problem persists, please install the latest version." i dl the "freeglut3_2.6.0-1ubuntu2_i386.deb". anyone can help? maybe to much to ask, but step by step will be nice too.

Joined: 06/17/2010

is a 32 bit program, it NEED 32bit libraries to work on 32 system.
It is explained on forum and feedback many times, search it.

Joined: 12/23/2011
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I'm thinking that maybe there should be a sticky for this, Rav3n. I come on here every now and then because I've had this problem with Foldit for about a month now, and I always see you repeating that same message. Anyway, I can't seem to figure out how to install freeglut. I've found it, but it doesn't seem to install like a regular program, and I can't figure it out. What happens is that I get it downloaded, but windows can't read or recognize the install file that it has. Is there an alternate solution to this problem?

Joined: 06/17/2010
On windows

there is no such problem.
I have w7 64bit and any trouble.
Only thing is to install in another than "program files" directory to avoid administrative privileges trouble.

beta_helix's picture
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If you start a General Forum topic on this, I can make it sticky

Rav3n_pl, if you want to post a new thread about this, I can make it sticky for you (so you don't have to repeat yourself over and over again! But again, thanks for doing so!)

Joined: 12/23/2011
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Freeglut, that is? Or Foldit? Because as far as freeglut goes, I've got W7/64-bit too, but I can't figure out what version to use or how to get the darn thing to install once I've got it. Are you using the Natty version?

Joined: 06/17/2010

There is no need to install any "feeglut" on Windows!

beta_helix's picture
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I added Linux to the title of this thread!

hopefully that will clear it up!

Joined: 12/23/2011
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That's why it didn't work. My bad. I've tried getting foldit to install directly into X86, and it does, but all to no avail. The dreaded 'Foldit has previously not started up correctly' message continues to appear. I'm thinking I might have to go in and delete any trace of foldit from the registry before I try again. I'm open to suggestions, though.

Joined: 06/17/2010
On what OS?

In linux just unzip it in your home directory, not into system ones.
On windows just install it somewhere else than "program files" ie c:/games/foldit or something

Joined: 12/23/2011
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Windows 7

I've already tried installing Foldit in places other than program files, I keep getting that 'Foldit has previously not started correctly' error. I've tried putting it in 'my documents' and 'my games' now without success.

Joined: 06/17/2010

delete files from foldit directory:

Then run client.

Backup options.txt :)

pkn's picture
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Clarification - Linux install instructions

For anyone new to Linux, here is what worked for me:

From a terminal

1) sudo apt-get update

-This will update your apt database to the most recent available packages.

2) sudo apt-get install build-essential

- This installs the necessary development tools for building source code.

3) sudo apt-get install freeglut3
4) sudo apt-get install freeglut3:i386

- This installs freeglut and the 32-bit headers you need to run Foldit.

Joined: 06/17/2010
dev tools?

I`m 99% sure it is NOT necessary to run Foldit. We NOT have sources :)

Joined: 02/07/2012
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Arch Linux--segmentation fault

I installed FoldIt from the AUR (Arch User Repository), but if I attempt to run FoldIt, the login screen appears for a second and then vanishes, leaving a line in the terminal:

"/usr/bin/foldit: line 3: 20004 Segmentation fault ./Foldit"

I have the freeglut package installed (version 2.8.0-1). Do I need lib32-freeglut as well, even though I am on a 32-bit system? I had hoped to avoid that if possible, as lib32-freeglut has a large number of missing dependencies that need to be tracked down, but if that package is required, then I will endure the Dependency Wasteland.

Joined: 02/07/2012
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It seems that, when installing through the AUR, Foldit's data was stored in /usr/local/games, which a user does not have permission to modify by default in Arch Linux. Thus, when Foldit attempted to update, it was unable to modify the data, causing the crash.

For future Arch users who see this:
Either run Foldit as root the first time you run it, or do not install Foldit through the AUR.


Developed by: UW Center for Game Science, UW Institute for Protein Design, Northeastern University, Vanderbilt University Meiler Lab, UC Davis
Supported by: DARPA, NSF, NIH, HHMI, Amazon, Microsoft, Adobe, RosettaCommons