Hello, Thanks for the report! I've made an investigation and confirm that this is a problem of Free Monitor Manager (which is caused by the buggy monitor driver as it seems). FMM really tries to change RGB while it could not to. I'll try to fix it as soon as I have time.
Hello, Unfortunately, this is a monitor related issue. Laptops' displays does not support changing the contrast typically. I can make the refund if you want to. For this, request the refund in answer to the email with the license key.
Hello, Did you purchase a key? If yes, it should be sent to your email then. Please check your Spam folder. If you do not see it there, please send me your email you bought the key from, via the private message on this forum.