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Failure to install or update any gem through Win CMD for Rails?

+2 votes
378 views

I've been trying to install and update different gems to work with Ruby on Rails, but keep getting the same error, apparently indicating I can't install or update any gem:

I generally type in something like:

gem update --system or gem install Rails --version 4.0.0 --no-ri --no-rdoc

And get the following:

ERROR: While executing gem ... (Errno::EINVAL)
Invalid Argument - socket(2) - udp

Note that I've proceeded to the same setup just a couple of days before on a different machine and had no problem.

I couldn't figure any place where this same Error was explained or encountered.

Anybody here can help out?

posted Nov 30, 2015 by Gurminder

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