Libraries failed to download

[Harry_Otsuk4]

I've tried several different things to try and fix this but can't seem to figure out why exactly this keeps happening. A little help please?

[Harry_Otsuk4]

This is what I'm using, 

Is the window "Mod System Installer" supposed to be open when you do ->

• Hold down shift and right-click an empty space, then select "Open command window here".
  
  I'm struggling to figure this out, when I hit the drop down and open for the file in my browser nothing actually came up

[Harry_Otsuk4]

Does it need to be in windows explorer specifically, when I tried this in my chrome browser nothing happened like I said in my last comment.

 

[Harry_Otsuk4]

This is what it brought up when I opened it from the desk top, I tried from the desk top and from explorer both ways I'm not able to find the "Open command window here" bit. Is this supposed to be under properties or something?

[Harry_Otsuk4]

Ok I got it to work after a few tries, 

So what I want to past in here is:
java -Djava.net.preferIPv4Stack=true -jar [forge-1.12.2-14.23.1.2583-installer.jar]

Cause that says its unable to access,

[Harry_Otsuk4]

OH no brackets! Sorry I'm not a programmer so I'm not used to some of this stuff, thank you for your help and patients.
X'D