Google gws_rd=cr &ei= URL Mystery revealed

  What is  gws_rd=cr&ei= ?

            It just a cookie link redirected to your browser based on the country.

      For past few months when we type google.com it redirects us to our country site mentioning as
google.co.uk
google.co.in
google.co.kr
google.co.nz
google.co.au
with that an extra query like structure will be there.
like one of these https://www.google.co.uk/?gws_rd=cr&ei=S3FfUss8i5DfG9y1gtAL

Also see new revealed google URL gfe_rd=cr&ei

Here in ?gws_rd=cr&ei=
gws means Google Web Server,
rd means Redirect,
cr means Country.
(till this you can find in all websites)
 And the final ei means Engine Id and also some random combination of numbers and letters is a cookie sent to our desktop.

See also:gfe_rd=cr&ei= Mystery Revealed
              gws_rd=ssl Mystery also Revealed

How to Remove this from your browser?

Google Chrome:

          Settings -> Appearance->Show Home Button -> Change it to https://www.google.com or
          https://www.google.co.(country code)

Mozilla Firefox:

          Tools->Options-> General tab->Homepage-> Change it to www.google.com or
          www.google.co.(country code)

Internet Explorer:

          Tools->Internet Options-> Homepage-> Change it to www.google.com or
          www.google.co.(country code)

What is /ncr? 

                From other sites i got this information as no country redirect.and it'll take you back to the regular,   English-speaking Google.com without all the local results. But its not have any major effect.

How to remove or uninstall boxbe, Facebook and other accounts connected with your gmail
Beware of these spammer sites
Beware of these Ad Sense sites