Ghost recon breakpoint is an open-world action-adventure military shooting game developed by Ubisoft Paris and published by Ubisoft, you can play it solo and in a four-player co-op as well.
Some players are facing an error while connecting to the game. Players receive an error message ‘An unexpected error has occurred. MOUNTAIN-01100 when they try to connect to the game.
In this article, we have discussed the causes of the error code mountain-01100 and five ways to fix the error.
What are the causes of the error Mountain-01100?
Here are a few possible reasons that might be causing this error:
- The game server is down.
- Poor internet connection.
- Game files are corrupted.
Also read: A Ubisoft service is currently unavailable: 8 Fixes
How to fix the error Mountain-01100?
Here are five fixes that might help you resolve the Ghost recon breakpoint error Mountain-01100:
Check the server status
You might be getting this error while connecting to the game because the game servers are down, and if the servers are down then you can only wait patiently till it gets online. You can check for server outage updates on Ubisoft’s official support page.

Click here to get to the Ubisoft support page
Check your internet connection
It is a connectivity error, so it might be occurring because you have you are not getting a stable internet connection. Check the internet connection and restart the router then try to connect to the game again.
Also read: How to fix Darktide error 3001?
Verify game files
It is possible that some of the files and folders of the game have been corrupted while installation and that might be causing the error. Follow the steps below to verify your game files:
Step 1: Launch Steam and click on the Library tab. Then Right-click on Tom Clancy’s Ghost Recon Breakpoint and from the drop-down menu, click on Properties.

Step 2: Find the Local Files and then click on Verify Integrity of Game Files.

It will re-install those files that are missing and will eventually fix the error caused by them.
Launch the game with administrator rights
Sometimes the PC does not give enough permission to the game that is necessary to run the game. Running the game as an administrator will allow the game to get the required permissions and might fix the error. To do that Right-click on the game icon and then in the drop-down menu find the Run as administrator option and click on it.
Restart the PC
If none of the above methods works for you then it is possible that some of the apps on your PC are interfering with the loading process of the game. Restart your PC as it will refresh all the apps running in the background on your PC and might fix the error.
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