Cant drag any GUI component to MainWindow in Xamarin Studio(Monodevelop)?

Question

I installed Xamarin Studio(Monodevelop) and it worked for about few days. But today i got

Problem:

When i wanted to drag any GUI component to GUI builder(MainWindow) it don't allow me, like it is locked or disabled?

I tried different thing to fix this(restarting Xamarin Studio(XS), restarting computer, starting new project in XS, changing preferences in XS...)and nothing worked.

Answer 1

After few hours looking around i found solution for this problem. So i want to save other peoples time and share

Solution:

I turned off my antivirus(Kaspersky IS 2015)and now XS working perfectly

If someone have experience with same problem and have better solution pls post it :).