Fallout 4 – PC Error, Issue, Crash, Low FPS, Mouse Issue Missing File Fix

Fallout 4 Can’t Unpack Files Issue:

Clear your computers cache after a computer restart. Once you’ve cleared your cache of all un-needed material move on to restarting up your steam. (Don’t start it before you’ve gotten all that done first. It may try to update, just let it.)

Or you can try this:

• Use any vpn and set it to Canada or UK
• Open Steam and it’ll show that you can do the preload unpack thing
• Do the unpack thing for a few secs
• Exit steam and turn off the vpn
• Start steam again and continue with the unpacking
• Enjoy the game

Fix Mouse X/Y Axis issue.

• Go to “C:\Users\(USERNAME)\Documents\My Games\Fallout4”
• Open Fallout4.ini
• Mouse X/Y axis fix
• Locate and change:

“fMouseHeadingYScale=.021” into “fMouseHeadingYScale=.042”
It can be found under the [controls] sub-sectrion.

I found out that setting the Y sensitivity to twice the amount of the X axis made it feel normal. No more extra X axis sensitivity

Changing FOV 

In the same file, locate and change the following settings to adjust the desired FOV.

[Display] fDefaultWorldFOV=70
fDefault1stPersonFOV=80

fDefaultWorldFOV refers to the user’s overall Field of View, whereas fDefault1stPersonFOV refers to the user’s viewmodel (weapon).

No Voice / Lip Movement

Try to load another or previous save game, it helps some players.

How to change ADS sensitivity

To change your sensitivity when you are aiming down sites in game (ads) firstly open Falout4Prefs.ini (loacted at C:\Users\[name]\Documents\My Games\Fallout4\) and under [Main] put the below:

fIronSightsFOVRotateMult=X.XX
where X.XX is you’re desired sensitivity when aiming down sights.

If you are playing in 16:9 the value you want to put for XX.XX is: 2.136363636

I have not yet confirmed that this is the rate number for other aspect ratios.

How to add 4:3 Support

To run in 4:3 simply open Fallout4Prefs.ini in your documents (C:\Users\[name]\Documents\My Games\Fallout4\), and change the following lines to how they are below:

For borderless windowed mode:
bTopMostWindow=1
bMaximizeWindow=1
bBorderless=1
bFull Screen=0
iSize H=XXXX
iSize W=YYYY

Where XXXX is whatever your vertical resolution is aand YYYY is whatever your horizontal resolution.

For fullscreen mode:
bTopMostWindow=0
bMaximizeWindow=0
bBorderless=0
bFull Screen=1
iSize H=XXXX
iSize W=YYYY

Where XXXX is whatever your vertical resolution is aand YYYY is whatever your horizontal resolution.

Next do the same for the second Fallout4Prefs.ini located in wherever you insalled steam then steamapps\common\Fallout 4\Fallout 4.

How to add 21:9 (ultrawide) Support

To have this game run in 21:9 without issue simply open Fallout4Prefs.ini in your documents (C:\Users\[name]\Documents\My Games\Fallout4\), and change the following lines to how they are below:

For borderless windowed mode:
bTopMostWindow=1
bMaximizeWindow=1
bBorderless=1
bFull Screen=0
iSize H=XXXX
iSize W=YYYY

Where XXXX is whatever your vertical resolution is aand YYYY is whatever your horizontal resolution is.

For fullscreen mode:
bTopMostWindow=0
bMaximizeWindow=0
bBorderless=0
bFull Screen=1
iSize H=1080
iSize W=2560

Where XXXX is whatever your vertical resolution is aand YYYY is whatever your horizontal resolution is.

Next do the same for the second Fallout4Prefs.ini located in wherever you insalled steam then steamapps\common\Fallout 4\Fallout 4.

Currently the hud will stretch, another person is likely to soon to release a fix for the hud. If you are finding your image has this odd dark rectangle bug in your Fallout4Pref.ini file change:
bComputeShaderDeferredTiledLighting=1 to bComputeShaderDeferredTiledLighting=0

Skip intro Video

To skip the intro every time you laod up Fallout 4, simply got to where you have steam installed, go to steamapps\common\Fallout 4\Data\Video and delete the below file:

GameIntro_V3_B.bk2

OR

First go to C:\Users\[name]\Documents\My Games\Fallout4\ and open up Fallout4.ini and under [General] add:
SIntroSequence=1

Next in the same folder as above open up Fallout4Prefs.ini and once again under [General] add:
SIntroSequence=1

How to Unlock Console

Some users have reported that be default there console doesn’t work (i.e. pressing ~ does nothing). If it works for you the below isn’t necessary. To solve this issue simply in windows go to control panel, then go to languages and set your keyboard layout to US.