Licmgr10.dll is a very important file that is associated with Active License Manager of your computer. The file is mainly linked with Windows system directories. But sometimes this file gets corrupt or removed from the computer due to some unusual activities. In this situation, you may get licmgr10.dll is missing error in Windows. The error is very critical and comes to you with other dangers. You may lose the important data from the computer due to this error issue. So, it is very important to fix this issue as soon as possible. You may go through the manual or automatic method. For automatic process of error troubleshooting, you can use Advanced System Repair tool in the computer.