General rate: Negative
I used the tool on Windows XP. After switching the User, during the start of an explorer window, usually an error-message popped up and the explorer windows was without preview-Window. After changing the system-date (a view days back to store a value in a database-file) the application stopped working, even after I changed the date back: Each open of an explorer-window and each login lead to an pop-up saying I should call the programmer....