Hi Welcome to Justanswer.com
Please open the below link
There you can download all old versions of skype
and to turn off update please do the following
Yes I can access the computer remotely to get it installed .
to do that please follow the below steps .
It will be better and quick if I can access your computer remotely to fix the problem ..
for that please follow the below steps
Please open the below link URL in browser
and then click on I agree button .
After that click on Download link to download a file and run it
Yes Older version will work with relatively less broand band internet speed .
May I know your current time ?
Ok Let me know When you are available .
I think its better if I open the question to other experts to help you as we are not able to be online at same time .