1. Change the software source and search a lot.
2. quick installation of restricted software packages
After installing ubuntu12.04, many friends will find that they cannot listen to music or watch movies, installing software may also cause Software Package dependencies and other problems. Run the sudo apt-Get install Ubuntu-restricted-extras command to quickly install the restricted software package.
This step takes a long time to install. You can take a break. There will be a confirmation screen of MS in the middle. After waiting for a long time, there was no response. I had to go to the bottom and select "OK" on the tab "!
This step is very important for many systems that want to regard Ubuntu as an entertainment system. In this way, a series of software such as wine and pidgin can be installed normally without any software package dependency problems. One-step solution.