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file:/// will open a file on your drive or network drive using the OS. When using http:// you're telling the browser that this is a hypertext link to a file located on the Internet, not locally. You're likely seeing the parameters after several tries because IE is just saving your history. Also, having a ? in the URL implies you have some server-side ...

The rel values next and prev are not only useful to search engines. They denote the relationship type, i.e. how the link target is related to the current page. So, why would you want to omit them? They have no influence on (de)indexing if you block the pages with robots.txt resp. robots-meta. You wouldn’t stop using semantic HTML for pages to be deindexed ...

If you are working to get these deindexed then there is no point having these tags as Google wont read them. I would probably also block these types of pages myself, as more than likely they will just be duplicate pages if they are 'sort-by' options.

"Effect": "None" doesn't mean that it isn't working. That means that the parameter has no effect on the output of the page. If you set "Crawl" to "Representative URL" then "Effect" automatically becomes "None" (and stays that way forever). If you set "Crawl" to "Every URL", then "Effect" becomes "Specifies". You will know it is working when Googlebot ...