PowershellPlus freeze when i try file operation (open, save , etc)

Hi 

When i try to open file.ps1 in powershellPlus, i have a x stretched appear at the top of the  screen and powershellPlus freeze. I lost the control . The only thing i can do is ctrl-alt-del and close trhe application. The problem wis new since few week

thank your for your help 

My pc is 

Windows 10 1809 

12 Go 

Xeon  cpu E5-1620 @ 3.60Ghz