Windows 7, 32bit, SP1
RapidPHP 2014, version 12.1.0.149
I don't know exactly what the precise trigger is, but it seems like when I delete or rename folders or files in the File Explorer -> Project window, the program will go to "Not Responding", won't come back, and I'll have to kill the program. I've added rapidphp.exe to both Microsoft Security Essentials and MalwareBytes to be ignored.