Pool license issues
Here is a list of some of the problems that can disrupt the proper functioning of the license pool.
1.If the PC groups are not set correctly some PCs will not be able to use the license pool, In this scenario, clicking on the groups in the "Pool License" tab and deselecting all of them will apply to all types of groups.[Figure 1]
2.Disable steam guard else the steam games will not be able to auto login.
3.If the license pool logins successfully and after 5 minutes auto closes the game you must choose the right exe path of the game. You can find more info how to edit at Enable games