TortoiseGit hangs when prematurely double clicking on "Please wait..."

What steps will reproduce the problem?

1. Open Git check for modifications
2. Pres F5
3. Fast clicking on "Please wait..."

What is the expected output? What do you see instead?

Application hangs forever

What version of TortoiseGit and Git are you using? On what operating system?

Git-master

Please provide any additional information below.

Same problem in Commit dialog (F5+fast clicking on "Please wait...") and maybe others