In this guide, you will find out how to fix the Ryujinx Has Encountered An Error “Can’t Open any Game”.
First, you have to close the emulator, then reopen it and click on the file button from the top. After that, click on the Open Ryujinx folder and delete every file and every folder from here as some of these files are corrupted.
After this, reinstall everything like the prod. keys folder etc. You have to make sure that you have the latest prod. key. For this, you need to click on the following link https://www.mediafire.com/file/8mw4b0eefh47433/Key_14.0.0_for_yuzu.rar/file to download the Prod. keys. After downloading, open the emulator, and then click on the File button from the top. Click on the Open Ryujinx folder, go into the system folder, and paste the latest prod key file. After this, your issue will be fixed.