You are misrepresenting things a bit.
My VM was set up for single language use. After the most recent PD12 update, my machine suddenly becomes unresponsive after signing in. For minutes on end, the task bar and start menu will flash and be totally unresponsive. After things settle down, I still cannot type anything until I manually start ctfmon.
While a manual start of ctfmon might re-enable typing (until the next boot) it does not negate the possibility that something in PD12 of Parallels tools is causing this to happen in the first place.
All over these forums, there are postings of various random 'fixes' that might or might not work, depending on the user. The real core of the problem is not addressed.
While I did not change anything on my VM for months in terms of software, other than PD12 updates, my system became useless from one day to the next.
A better response is in order...
Last edited: Jun 13, 2017