Q - What file format is your input image?
A - Normally is RGB/8 I believe
Q - Do you use any Softproof / OCIO layers?
A - I dont as far as I know
Q - Do you convert/assign it a different ICC profile?
A - I dont as far as I know
The other questions i screen captured my settings, I try and stick with the defaults.
And yes i can I can share a link and attachments.
https://www.newgrounds.com/art/view/bassdrop25tothesky/gypsy-1 This is how it looks in the in the application, colors are fine, great even but when i look at it on a photo viewer on my computer it comes up much more darker. Im unsure but hope that it shows the difference. The other wired thing is that this happens when i have a lot of stuff going on in the document. I added a another file to show you what i see when i look at it throw the photo view on my computer.
I have windows 10 with the most recent updates as well hoping this may help a bit.