Inteset locks @-key on Win10 IE11

We have installed Inteset Secure Lockdown on HP Pavillion x2-Tablets, used the (Action Center still availabel-workaraound) but can not Login to Websites requesting a mailadress because of the unavailability of the @-input

Are you using the Compatibility Mode layout of the on-screen Tablet Keyboard? Secure Lockdown does not block the @ symbol.

Problem solved by switching to tablet-mode