问题 提问于 2014年1月5日
When I click on a link in an e-mail (generally to a newspaper article or something like that), I get a box with the following message:
This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the Default Programs control panel.
It seems that the extension associated with such links has gone missing -- can anyone tell me how to find it and then where to put it once it is found so these links will function again?
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