The first image here shows the strange pattern that appeared on my default texture. Since all of the megascan textures I have downloaded use this as the parent, they all have that pixelated pattern on them. I have never edited the default texture shown below prior to this seemingly randomly happening. Any help to have this strange pattern to be removed would be a massive help!
Below is an example of one of the utah cliff textures
Below is an example of how every megascan texture appears with the dark pattern.
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