Now users can download application software programs, and they can choose Thunder download or the download function that comes with the browser. Some users of win8 system are used to using IE browser to download locally, but in the process of downloading, there is an error window that the download program fails and the signature is invalid. In this case, it is impossible to download and install the application software program, so how to solve this problem? Let's take a look at Bian Xiao's specific solutions!

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The method is as follows:

1. Open the IE browser that comes with the system in win8, and click "Tools" and "Internet Options" at the top of the IE browser window;

2. In the Internet Options window that pops up in IE browser, switch the interface to the Advanced tab;

3. Find and uncheck the option "Check the front of the downloaded program" in the setting window below;

4. After setting, click the OK button at the bottom of the window to save the settings.

This paper introduces how to solve the problems of download program failure and invalid signature of IE browser under win8 system. If the user makes an error in the download process and prompts that the signature is invalid, you may wish to deselect the option "Check the download program signature" according to the above method, which is believed to be helpful to everyone!