|Fig: ap-hotspot error|
Figure describes the error faced while accessing the ap-hotspot. the red color marked "Another process is already running" is the error.
sudo rm /tmp/hotspot.pidThis deletes the process id that is causing the error display.
In order to see which process is running
ps -ef | grep ap-hotspot
It is necessary to keep in mind that whenever you update your system or install the new operating system this updates the version ap-hotspot package as well so you should mark hold the hotspot package i.e.
sudo apt-mark hold hostapd