Technique 1: Restart your Computer System:
For restarting your PC, first, you need to spare every one of your information on the PC then close all the running applications. After this, simply go to the "Restart" button which is situated toward the beginning menu, and afterward basically click on it. Now, the gadget will consequently close inside a couple of moments and start back by and by. At the point when the gadget begins once more, you simply attempt to introduce Webroot antivirus again on your PC. Presently, when the procedure complete, watch that the Webroot blunder the Invalid Unknown Keycode issue still continues or not, on the off chance that the mistake is still there, at that point follow the following technique. webroot.com/safe
Strategy 2: Check Webroot Subscription Details:
To fix this blunder, first, you need to introduce the Webroot antivirus on your gadget. For this, you need to open the Webroot programming on your PC. And afterward, click on the "About Webroot" which shows up on your PC screen. Presently, all the subtleties associated with Webroot on your screen. At that point, all the accessible updates alongside the enactment status show up on your screen. Simply enact and Install Webroot antivirus programming on your PC to dodge issues or blunder later on. Simply push on the "Initiate Now" button. Presently, fill the Webroot antivirus Keycode in the clear box to enact Webroot antivirus. At the point when you complete the establishment and initiation strategy of the Webroot, you can utilize the Webroot antivirus again on your gadget.
Technique 3: Uninstall or Reinstall Webroot Antivirus:
Uninstall Webroot Antivirus:
To uninstall Webroot antivirus simply click on the "Start" menu symbol at that point click on the "Control Panel". Presently, in the "Control Panel" choice, simply hit the "Uninstall a Program" which is in the program menu. This will show you a rundown of introduced applications on the screen. Presently, pick Webroot choice. On the money click on the Webroot alternative and select the "Uninstall" button. When Webroot antivirus erased from your PC and afterward restarts your PC to spare all the progressions you have made. Click here
Reinstall Webroot Antivirus:
To reinstall, open your internet browser. At that point, type the official site, and it will at that point open up the Webroot page. Simply, press the Sign in tab and enter your login qualifications to proceed with the system. Presently, check the Webroot item and get the one you need. At that point, adhere to all the directions which are given on the screen to download, introduce and initiate the Webroot antivirus on your gadget.
