There seems to be an issue sending keystrokes into web page fields on IE 11 running on Windows 7. I'm getting double characters, Shift isn't working for first character, but works for second.
Hi JasonEn, Please update Parallels Desktop 10 to latest update 10.1.0-28600 , download it from www.parallels.com/directdownload/pd10 and install it, go to the Parallels Desktop menu > Preferences > Shortcuts tab > System Shortcuts > set 'Send System Shortcuts' option to 'On condition'. Restart Virtual Machine and let us know how it work.