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I have a problem. I'm from Manjaro. I upgraded to the latest version of the proprietary nvidia drivers. the 331.89. Openingplayonlinux the following error message: 

"PlayOnLinux is not able to find 32bit OpenGL libraries. 

You may have problems with their games "

the terminal is: 

[rodrigo @ rodrigo-linux ~] $ playonlinux 
Looking for ... python 3.4.1 - skipped 
Looking for python2.7 ... 2.7.8 - selected 
[main] Message: PlayOnLinux (4.2.2) is starting 
[clean_tmp] Message: Cleaning temp directory 
/ home / rodrigo / .PlayOnLinux / / tmp/check_dd_x86: error while loading shared libraries: libnvidia-glcore.so.331.89: can not open shared object file: No such file or directory 
[Check_OpenGL] Warning: 

But what in my /usr/lib have that library, and copy this file in /usr/lib32 which could be the error? 

i have 64b architecture

English to google

yes, in /usr/lib32 you put 32bit libraries.

 

the solution for this problem in manjaro linux:

I had exactly the same problem after the upgrade. It seems the fix is to type into a terminal....
 

sudo pacman -U http://www.paradoxcomputers.com.au/manjaro/packages/lib32-nvidia-utils-331.89-1.1-x86_64.pkg.tar.xz

(Fix comes courtesy of Rob in this thread.... https://forum.manjaro.org/index.php?topic=15003.msg137206#msg137206)

I also typed in...
 

sudo mhwd-gpu --setgl nvidia

... and then rebooted. Not sure whether you have to, but executing the first command suggested I do it, so I did.