Originally Posted by zzmijarevic
When starting the Calibre Server from within "Preferences->Content Server", I am constantly receiving a message "ERROR: Failed to start content server: Port 8080 not free on '0.0.0.0'".
I get the error message “Failed to start content server: Port 8080 not free on ‘0.0.0.0’”?¶
The most likely cause of this is your antivirus program. Try temporarily disabling it and see if it does the trick.