Bizarre Texture Swap

I was doing a test flight of mission when I noticed that all ground textures around a city that are supposed to be green fields had been switched to another random pattern. At the time some arty was shelling the city and I had pressed alt-ent to force fullscreen in mid-air. Not sure if that's what caused it.

A shows what it should look like and B shows what I was seeing.

Reloading mission again and it seemed fine.

EDIT; Can confirm pressing Alt-Ent causes it.

I have a similar issue...there is at least a kind of texture, this one:

that for some reason I dont know, sometimes gets crazy repeated all over the place and at the same time, without the objets there should be over it (houses, cars, etc.)...after restarting my PC (rebooting the mission or DCS didnt worked) all was fine again and that texture was not so repeated and with all the objects correctly positioned over it.

Also, I noticed that when this problem happens, some textures in harbours are totally blurried.

At the time this was repeatable however now I can't reproduce. I deleted my Saved Games folder at one point so I wonder if something was corrupted in there.

If I can re-produce I'll post mission and settings.