In case that you are having some problem running Aseprite, you can execute it with the --debug option in the command line.

After running Aseprite, you will see that a Aseprite-v1.1.9-DebugOutput.txt file (or with a similar name) will be created in your desktop. You can send us that file at so we can help us solving your specific problem.

On Steam the --debug parameter is added in the launch options: