Hello friends, I was facing issues while running mp4 videos or songs. It was asking me to install mpeg-4 aac decoder. When I run any mp4 player then I got the following error:
![](http://findnerd.s3.amazonaws.com/imagedata/4539/4539.png)
So, to resolve it. Today I am going to tell you how to install and run mp4 videos or songs on Ubuntu.
Step 1: Go to ubuntu Software center and search for: ubuntu-restricted-extras
as shown below:
![](http://findnerd.s3.amazonaws.com/imagedata/4540/4540.png)
Step 2: Now click on install button and wait for few minutes. Progress will start as seen below:
![](http://findnerd.s3.amazonaws.com/imagedata/4541/4541.png)
Alternatively, you can also install it by running the following command:
sudo apt-get install ubuntu-restricted-extras
When installation is completed then you will get the following screen:
![](http://findnerd.s3.amazonaws.com/imagedata/4542/4542.png)
Thats all, now you are ready to run mp4 videos and players.
Thanks for reading the blog.
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