How to Resolve Webroot Keycode Error or Invalid Messages?

Webroot antivirus software is the useful security program which protects your device from threat. It secures from malware, viruses, Trojans, rootkits, ransomware, and also from phishing attacks etc. You can install this cloud based software through This security software identifies the cyber threat immediately and blocks it before it damages your device. It is very easy to use but sometimes the customer encounters the error messages while installing Webroot antivirus software in their devices. It controls the network traffic and does not allow hackers to access your gadget. In this blog, you will read the solution of the Webroot Keycode Error or Invalid Messages.

Solution To Fix Keycode Errors or “Invalid”

  1.  First, you should properly check that you are entering the correct key code. Because, usually the user gets confused like by entering this type of key i/1, s/5, o/0, as these keys look quite similar. But if the user types the incorrect character they receive the error message.
  2. If you are installing Webroot antivirus from a CD, then you should Save each and every digit or letter of the key code to avoid any letter.
  3. In case, you do not know about the character then you should try on both.
  4. In case, you are installing the app through email then you should copy or paste the key code into the installer in a straight line. You should select the full key code and then you have to copy or paste it on the safe location. Even you can also directly paste the key code when you are trying to install the app.
  5. It is very necessary that you should check that there should be no previous version of Webroot antivirus software installed in it. In case, if there is any previous version then it will block the installation of updated software. So, you must uninstall the previous version of Webroot Antivirus to avoid any kind of error message.
  6. In case, you are still getting the error message then you should check that your Webroot Antivirus software is properly connected to the internet and then you can attempt again. It is very necessary that you should have the stable internet connection.
  7. At the end, you should click on submit a support ticket.

Indications Of Adware and How to Prevent it With Webroot?

Fix Webroot Keycode Error:

  1. Webroot Error FZLC0055:        

First, you should Sign in your account at Next to your email address, you should open the drop-down menu. After this, you should click on manage Keycodes. Then, you should view the older-style Keycode (letters only). Now, you should retry the installation using this keycode.

2. Webroot Error FZLC0056: Invalid or Unknown Keycode

This error occurs due to the delay in activation process. Now, you have to wait for about 10 to 15 minutes. After this, again try to install or activate your key code. In case, you are not able to install, then you should contact to Webroot support. 

For more information, you can call the expert of Webroot team through