The main reason for the 'Game is Running' notification or error in League of Legends is that the game client is still active but hidden, not appearing on the screen, and running in stealth mode, making it impossible for players to access the game.
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Guide to Fixing League of Legends Game Running Error
Currently, there are two simple methods to handle the 'Game is Running' error. You will encounter notifications like the images below from Mytour, and here are the steps to fix this situation.
Method 1: Completely Exit Garena and Log in Again
The first and simplest method is to exit completely from the Garena program, close all components related to the League of Legends game, wait for 5 to 10 minutes, and then log in again. Despite its simplicity, this trick is highly rated and widely used by gamers.
Method 2: Use Task Manager
Step 1: Start by Right-Clicking on any blank space on the Taskbar and select Task Manager. Alternatively, use the key combination (simultaneously press) Ctrl+ Shift + Esc.
=> Refer to 10 Task Manager Tricks for additional insights.
Step 2: In the Processes tab, continue by right-clicking on LOL Client and choosing End task from the toolbar or clicking End task at the bottom.
Step 3: Once the process is complete, restart League of Legends on Garena.
Hope that these two simple methods will help you resolve the 'Game is Running' error in LMHT, although simple, they are quite effective in solving this issue. Additionally, if you encounter the League of Legends DirectX Error, this is the solution. Wish you happy gaming!