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firefox 
 


Problem

On linux distributions like Ubuntu or CentOS, when launching Firefox or some other programs by command line the error message  "Couldn’t load XPCOM" is returned.

Issue
The error is caused by the lack of the path "/usr/lib" in the environment variable   LD_LIBRARY_PATH

Solution
Add the /usr/lib path to the environment variable in this way:

export LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH;

 


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