I figured out the solution. All you have to do is switch arma 3 to beta testing mode then switch out of it. I am more than happy that I am able to use my mods again and I thank you for taking your time to help me. I hope this helps anybody that has the same problem as me.

Yes, my internet connection has changed recently. I went to my parents house recently and used their internet. Could that have something to do with it? I tried the Steam online to offline and that didn't work. How do I change the Steam client to beta? I will try that one first and if it doesn't work then i will let it sit with the launcher open and see if that doesn't fix it.

There you go I have added them.

No luck with that. If you have any other solutions that might have worked in the past, I'm all ears.