Ensure your CPU supports SSE4.1 and you have OpenGL 3.3 support. If you'd like, I can: Show you where to download the aes_keys.txt file Explain how to dump your own keys from a 3DS
You can move your entire "Citra" folder to a USB drive and play on any PC with all your decrypted games and keys ready to go. Simplified Troubleshooting: Keeping the aes_keys.txt in a local citra aes keystxt portable