I added the script to your post instead of having it as an attachment. This makes it a bit easier to see what might be going on without downloading the script.
First things that come to mind.

- You are calling the Flex_Framework.vbs script from inside the kix script. It might be this vbs script that is slowing things down. It might be running slow or it has a huge list of things to do.
- I see you use * for the server or domain name when mapping drives. I guess this is done to hide the server names. If not then please add the server names (set them at the top of the script and use the variable wherever needed).
- You display some info in the screen. Is there any part where it shows that it is slow? Info shown as it should but the next line takes forever to come up?
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Mart

- Chuck Norris once sold ebay to ebay on ebay.