Can't Launch Executables From Within MO

[Nofsdad]

Just switched to MO from NMM by doing a deep uninstall of both NMM and my game, reinstalling the game through STEAM and installing MO from here. Everything was going fine, all the executables worked, had even added FO4Edit to the executables and got it to work OK.
Installed a few mods and attempted to start the game with the F4SE executable in MO and it just sat there with the black cmd window open and nothing happening. Terminated to start, closed and reopened MO and tried each of the executables that had, until a few minutes earlier been working flawlessly through MO and none of them would start. Part of the time I'd click and the Cmd window would open but nothing would happen, at other times I'd get EM "failed to spawn "XXX.exe": failed to start process (The parameter is incorrect, [87]). I've seen this mentioned on quite a few other sites also so it appears to be fairly common.
I've been working on this for about two hours now, have tried everything I've found here and at Tannin's GitHub page and cannot get it to work. I can launch the game and all the utilities from their own directories, I just can't launch any executable, including the game exes through MO.
 
If it makes any difference, this is what the ModOrganizer.ini looks like after I try to start something:

[General]
selected_profile=Default
ask_for_nexuspw=true
gameName=Fallout 4
gamePath=D:\Games\steamapps\common\Fallout 4
first_start=false
group_state=0
window_geometry=@ByteArray(\x1\xd9\xd0\xcb\0\x2\0\0\0\0\x2\x85\0\0\0\x85\0\0\x6\x32\0\0\x3q\0\0\x2\x8d\0\0\0\xa4\0\0\x6*\0\0\x3i\0\0\0\0\0\0\0\0\a\x80)
window_split=@ByteArray(\0\0\0\xff\0\0\0\x1\0\0\0\x2\0\0\x3\xde\0\0\x2\xa8\x1\xff\xff\xff\xff\x1\0\0\0\x1\0)
log_split=@ByteArray(\0\0\0\xff\0\0\0\x1\0\0\0\x2\0\0\x2\x62\0\0\0\x64\x1\xff\xff\xff\xff\x1\0\0\0\x2\0)
browser_geometry=@ByteArray(\x1\xd9\xd0\xcb\0\x2\0\0\0\0\0\0\0\0\0\0\0\0\x3\xef\0\0\x2\xed\0\0\0\0\0\0\0\0\0\0\x3\xef\0\0\x2\xed\0\0\0\0\0\0\0\0\a\x80)
filters_visible=false
selected_executable=5
[PluginPersistance]
Python%20Proxy\tryInit=false
[customExecutables]
1\title=F4SE
1\custom=false
1\toolbar=false
1\ownicon=false
2\title=Fallout 4
2\custom=false
2\toolbar=false
2\ownicon=false
3\title=Fallout Launcher
3\custom=false
3\toolbar=false
3\ownicon=false
size=5
4\title=LOOT
4\custom=false
4\toolbar=false
4\ownicon=false
5\title=FO4Edit
5\custom=true
5\toolbar=false
5\ownicon=false
5\binary=D:/Games/FO4Edit/FO4Edit.exe
5\arguments="--game=Fallout4"
5\workingDirectory=D:/Games/FO4Edit
5\steamAppID=
[recentDirectories]
size=2
1\name=editExecutableBinary
1\directory=D:/Games/FO4Edit
2\name=editExecutableDirectory
2\directory=D:/Games
[geometry]
modList=@ByteArray(\0\0\0\xff\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0\a\x1\0\0\0\0\0\0\0\0\0\0\0\bT\0\0\0\x3\0\0\0\x4\0\0\0\n\0\0\0\x2\0\0\0\n\0\0\0\x6\0\0\0\n\0\0\x2\x2\0\0\0\b\x1\x1\0\x1\0\0\0\0\0\0\0\0\x1\0\0\0\x14\xff\xff\xff\xff\0\0\0\x81\0\0\0\0\0\0\0\b\0\0\0\xa3\0\0\0\x1\0\0\0\0\0\0\0P\0\0\0\x1\0\0\0\0\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0\x83\0\0\0\x1\0\0\0\0\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0V\0\0\0\x1\0\0\0\0\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0\x36\0\0\0\x1\0\0\0\0\0\0\x3\xe8\x1)
espList="@ByteArray(\0\0\0\xff\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0\x2\x1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x1I\0\0\0\x4\x1\x1\0\x1\0\0\0\0\0\0\0\0\x1\0\0\0\x64\xff\xff\xff\xff\0\0\0\x81\0\0\0\0\0\0\0\x4\0\0\0\xa1\0\0\0\x1\0\0\0\0\0\0\0\x32\0\0\0\x1\0\0\0\0\0\0\0;\0\0\0\x1\0\0\0\0\0\0\0;\0\0\0\x1\0\0\0\0\0\0\x3\xe8\0)"
dataTree=@ByteArray(\0\0\0\xff\0\0\0\0\0\0\0\x1\0\0\0\x1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x1I\0\0\0\x2\x1\0\0\x1\0\0\0\0\0\0\0\0\0\0\0\x1\x90\xff\xff\xff\xff\0\0\0\x81\0\0\0\0\0\0\0\x2\0\0\0\x64\0\0\0\x1\0\0\0\0\0\0\0\xe5\0\0\0\x1\0\0\0\0\0\0\x3\xe8\x1)
downloadView=@ByteArray(\0\0\0\xff\0\0\0\0\0\0\0\x1\0\0\0\0\0\0\0\x1\x1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x1-\0\0\0\x3\x1\x1\0\x1\0\0\0\0\0\0\0\0\0\0\0\0\x64\xff\xff\xff\xff\0\0\0\x81\0\0\0\0\0\0\0\x3\0\0\0\x64\0\0\0\x1\0\0\0\0\0\0\0\x64\0\0\0\x1\0\0\0\0\0\0\0\x65\0\0\0\x1\0\0\0\0\0\0\x3\xe8\x1)
[settings]
language=en_US
log_level=0
compact_downloads=false
meta_downloads=false
use_prereleases=false
nexus_login=true
nexus_username=
nexus_password=
offline_mode=false
use_proxy=false
load_mechanism=0
nmm_version=0.61.13
hide_unchecked_plugins=false
force_enable_core_files=false
display_foreign=true
[Plugins]
Basic%20diagnosis%20plugin\check_conflict=true
Basic%20diagnosis%20plugin\check_errorlog=true
Basic%20diagnosis%20plugin\check_font=true
Basic%20diagnosis%20plugin\check_missingmasters=true
Basic%20diagnosis%20plugin\check_overwrite=true
Basic%20diagnosis%20plugin\ow_ignore_empty=false
Basic%20diagnosis%20plugin\ow_ignore_log=false
FNIS%20Checker\enabled=false
FNIS%20Checker\sensitive=false
Fomod%20Installer\enabled=true
Fomod%20Installer\prefer=true
Fomod%20Installer\see_disabled_mods=false
Fomod%20Installer\use_any_file=false
INI%20Editor\associated=true
INI%20Editor\external=false
Python%20Proxy\enabled=true
Python%20Proxy\python_dir=
Simple%20Installer\enabled=true
Simple%20Installer\silent=false 
[pluginBlacklist]
size=0

 

[GrantSP]

Delete the MO ini and restart your system.

Add back all the executables you need.

 

Disclaimer:

MO2 was left in a state of beta and although users can get a stable and working environment to mod their games, STEP is not using MO2 as the default mod manager. All suggestions are just that, suggestions, and may or may not work for all users.

[Nofsdad]

Actually that did work, thank you... and I'm going to embarrass myself here... AFTER I ran the game launcher OUTside of MO to get the ini files set and  located. I've been playing Fallout games for years and knew I had to do that every time I reinstalled something but it went right by me this time. Cut me some slack for being senile though, I'm 74. ;)

Edited December 18, 2016 by Nofsdad