hello I am facing this issue after I open with Explorer, any advice
Please follow below steps to troubleshooting your issue:
1.Go to IE browser settings -> Internal options -> Security -> open each custom level of Internet、Local Intranet、Trusted sites -> User Authentication -> Automatic logon with current user name and password. Restart the IE browser, click open with explorer again.
2.Delete Internet Explorer cache. Go to IE browser settings -> Safety -> Delete browsing history -> Select Temporary Internet files, Cookies and website data and History from the menu -> Click the Delete button to delete the cache.
3.Go to services.msc, check the status of WebClient service.
4.Install the latest windows update.
5.For Internet Explorer 10 with Windows 7 or Windows 8, install the hotfix to resolve this problem.