Blocky/pixelated trees, help please!

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This is how my trees look ingame: http://i.imgur.com/AMxCtCS.jpg
Does anyone know how to fix this? Any help will be much appreciated.
P.S. I tried all sorts of tree/grass mods, terrain mods, etc. I also tried disabling every mod that i have and nothing seems to work, i always have those blocky trees in the distance.

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No one else had same problem?

[Patrick]

I would try deleting your ini files and let the game create new ones. (make a backup before you try this)
Skyrim.ini & SkyrimPrefs.ini in ..Documents\My Games\Skyrim
and Skyrim_default.ini in Steam\steamapps\common\skyrim.
You may also verify your game cache to restore any deleted or damaged files.
https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335
Notice if you did "clean" any Bethesda files you will have to do this again.

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Thx for your reply, I've already tried deleting those ini files and it doesn't help. Gonna go and try to verify game cache now.

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So i did this cache verification, it said "1 files failed to validate and will be reacquired" i hoped that this was it, but when i started my game again nothing has changed. :(

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i still think its somehow connected to skyrimprefs.ini or skyrim.ini in documents folder, but then again why do i still have those pixelated trees when i completely delete those ini files?

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Thank you very much for your reply, i just tried that Hi-rez DLC addon and it didn't help :(. I guess ill have to reinstall my whole game.

[SinisterJumpingDwarf]

I had The same problem and I reinsalled skyrim flora overhaul, then it was fixed.