Hi All,
Hope this helps someone. I managed to get this solved.
In my case I have a service called AppProtection Service. now the description reads. AppProtection software is designed to safeguard entry fields and prevent keylogging spyware from accessing password details and other sensitive information from users. This might be part of a citrix installation ad it is installed in Program files x8s citrix. So perhaps the vendor needs to be told. But for me, disabling, stopping and rebooting fixes it.
To test if it breaks, you can enable and start, without restarting your pc, it breaks straight away.
Hope this helps