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MO 2.0.7 + F4SE (0.6.0) Crash at launch for Fallout




I have been doing my due diligence in searching Google for a RCA for this issue. I can launch F4SE_Launcher.exe and Fallout 4 comes up without an issue. It's just that I am a LONG time gamer with mods and MO 2.0.7 is my tool of choice. After the last update when I launch it from within MO right after is loads up the "Preparing VFS" the f4se_loader.exe cmd screen pops up with an error;


(hover mouse to view error)



I have ensured that all of my mods that utilize F4SE are up to date. It has been a month since the CC patching and still not finding a resolution. I am tech guy that has been modding games going back to NWN and I have dug my way out of most of my issues. This one is slamming the door in my face before I even get into the game. It works outside of Mod Organizer and no launching within MO?!? Even if I strip out all the Mods and just try to launch a base game from MO with no mods in place. I have removed all prior installs of F4SE and done the verify cache with Steam... No good. I was trying to recover the older Fallout4.exe through the Steam console process without success  :crying:


Any bones you can throw my way? This error has come up in the past for others so thinking it might just be simple I overlooked something. Don't bother posting crap like rebuild my Windows 10 and install every damn file over again. I have been building my own machines and working real IT helpdesks back when Daggerfall  was cutting edge.  :cool:


Something with Mod Organizer is not playing nice with F4SE on my machine and it was looking fine even after the 1st CC patch came out.


Thank you for you time.  ::):



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I am still digging on this... Interesting I also get an error in FO4Edit when launched in MO2 with "could not find ini". Then in the msg "Fatal: Could not determine my documents folder."


Again both F4SE and FO4Edit launch outside of MO 2.0.7

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[Fixed] I did not find my answer on any forum. I found that a fresh MO 2.0.7 profile was able to launch with F4SE 6.0 + no issues with F4Edit as it found whatever ini files it needed.

  1. Create new profile (do not copy the corrupted one)
  2. Copy over from the old profile your load order and plugin files; lockedorder.txt, modlist.txt, hide_plugins.txt, loadorder.txt, plugins.txt
  3. Depending on where you place your saves local or in the profile you will need to move them.

End game is I am up and running again without having to do much work. This one really sucked for lack of info on the web. Which is why I post how it got fixed. Don't be that guy that say "got it" and never spills the beans on his fix.


Hope his helps some other Mod Organizer user until Vortex get done. :clap:

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People who have knowledge about fallout 4 crash startup face problem. There multiple solutions of that problem like we can get rid of this problem regarding Mouse acceleration issue to follow  C:\Users\username\Documents\My Games\Fallout4. The 2nd solution may be Deleting files and re-downloading  and we can get the detail to Google.

Edited by kamlash

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