Steam updating error unable to open
This message means that one of your games is not on the correct version. If an update does not occur after doing this and logging back in, click the gear shift in the bottom left of the launcher This message can appear in several forms, but there are a few key things to do for any Update Service error.First, make sure you are running the launcher as administrator by right clicking your shortcut and selecting “Run as Administrator.” If that does not resolve your issue, check to make sure the update service is actually started.
Make sure you have the latest drivers for the various components of your machine.
Our Updating Drivers article has detailed instructions for updating your video, audio, and other drivers.
Check that your PC meets the minimum memory requirements to run Microsoft Flight Simulator X: Steam Edition. If you have less than the required 2 GB RAM then you will be unable to run the game.
Please note that we recommend you have more RAM for increase performance and enable the use of addons.
To verify your game files please do the following: Running lots of different programs in Windows at the same time may mean that Microsoft Flight Simulator X: Steam Edition does not have enough memory available to run correctly.