“Printer not activated – Error code 20”
“An error occurred during the activation process (error code 20). Firewall software on your computer might be blocking HitmanPro35.exe application. Please update your firewall rules to trust this application (full network access).”
In most cases, error code 20 happens due to the printer that is not working properly. When this happens, you would not be able to continue with the printing process and the error message would show up constantly every time you try to use your printer.
To avoid further damages in your system, we strongly suggest that you run a quick scan for error code scan for your PC to check and fix the errors.
What Is an Error Code 20 Actually?
Basically, it is considered as a common Window system error that one might receive after frequent use of their machine. However, the error message is very irritating because it would continuously show up to your monitor and hinder the printing process. When you receive the error message, you have to go and check if the printer you currently use is set as the default printer in your computer. And you should also pay attention to the possible conflicts between your printer and other hard ware devices in your PC.
Tips of Fixing Error Code 20
The first thing you have to do before getting to the fixing parts is to check the status the printer you are using. And you also have to make sure that your printer is set as the default printer in your operating system.
To do this, you need to go to the Start menu, Control Panel, and click on Printer and Faxes. Then open the Printer Folder and see if the printer icon is present in the folder. If it is, make sure the printer is checked as the default printer. If it is not, click on the icon and choose Print Test Page. When the test page is printed out successfully, it means the printer has been set as the default printer.
Now if the problem is not solved, it is probably because of conflicts between the printer and other hard ware devices. In this case, you should reinstall the USB Composite Device in your PC. To do this, you have to follow the tutorial below:
1. Right click on My Computer > Properties > select the Hardware tab > Device Manager
2. Double click Universal Serial Bus controllers, then right click on the USB Composite Device, select Uninstall and click OK
3. After that, remove and reconnect the USB cable to your computer > select “Found New Hardware Wizard”
4. Then follow the instructions you see and complete the installation
5. Try to print the test page to see if the problem is solved
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