Lumia Stream.exe is part of a product called known as Lumia Stream and the developer is Lumia Stream LLC .
If you think that this file contains a virus or another malware, please download a virus scanner.
If Lumia Stream.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Lumia Stream from the list to remove the process Lumia Stream.exe from your computer.
If you have any problems with Lumia Stream.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Lumia Stream LLC, the developer of Lumia Stream.exe and ask for more information.