When the win7 system installs the software, IE prompts to prohibit the installation of invalid signatures. How to do

  

1. First open the Internet Options in the win7 system control panel, and then switch to the "advanced" tab;

2, then check the "Allow to run or install the software, even if the signature is invalid" option, click & ldquo; Confirm & rdquo; and then exit.

Copyright © Windows knowledge All Rights Reserved