Normal Internet browsing, occasional pop-up ie prompts "certificate error", read this article you will learn how to resolve the Web page certificate error method.
The reason for the Web page Certificate error: In most cases, the Web page certificate error is caused by a virus infection and a malicious plug-in in IE browser.
How to troubleshoot Web page certificate errors:
First step: clear IE browser temporary files, change IE cache settings
First open IE browser, select the "Tools" menu, pop-up menu select "Internet Options", complete the "delete Cookies" and "Delete files (must check: Remove all offline content)", and then click "Settings" in the pop-up window to find "Use of disk space", Adjust it to around 10M or less, click OK, and then click Clear History to clear the record and change the number of days in the history page to 2 days or less.
Step Two: adjust the security level of IE browser
In the IE browser Tools menu, select Internet Options, select the Security tab, set all four regional levels of the Internet to "default Level", and then click OK to exit.
Step three: restore IE browser to the default browser
In Internet Options, locate the Programs tab, and then click OK to exit by checking whether Internet Explorer is the default browser.
Fourth Step: use 360 security guards or other anti-virus software repair system and IE
Use the "Clean plug" and "system repair" features in the 360 security guards to clear the malicious plugins that exist in the system and fix the IE functionality.