Why is there a pop-up window when I run Clean Project in Windows* 10 OS? - Why is there a pop-up window when I run Clean Project in Windows* 10 OS? Description Due to a problem in the Quartus® Prime Pro Edition Software version 23.1 and earlier in Windows* OS, when you open a project and choose the option Project > Clean Project, you may see a pop-up window showing the following message: "Detected project compiling. Do you want to monitor the compilation?" Resolution In the Pop-up message select "No". You can safely ignore this message. Custom Fields values: ['novalue'] Troubleshooting 14019478187 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 23.4 23.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']