please fix CSCur60925

[loeper@landaumedia.de]

1. Run Cisco Jabber in Windows 10 in Background (Symbol inn taskbar notification area)
2. open Text Editor
3. make some changes
4. press CTRL+Z several times
   --> changes are made undone
5. press CTRL+Y
   --> the cisco window appears on the screen showing text in the search field
6. close Cisco Window
7. load a graphics file to Irfanview
8. draw a selection rectangle with left mouse button
9. press CTRL+Y (crop selection)
10. try to acitivate Jabber
    --> No reaction. Find out yourself how to activate the task manager now...