How To Correct 8921, 302 Norton Error 8921, 302 Norton error surfaces on antivirus when user starts installing live updates to software. Norton support phone number. The error halts the live updating of Norton Antivirus. So the user should keep in mind that whenever this error surfaces on their software, he/she should immediately click on the Live Update to start updating afresh. Norton support phone number. If the problem refuses to go, then user should uninstall and then reinstall the software. Here is the procedure to correct 8921, 302 Norton error. You should keep in mind that this procedure works for only the latest version of Norton products and for the previous versions, the instructions to correct this error are present on official site of Norton. Norton customer service number. The steps are as given below Option No. 1 Restart your Norton Antivirus Click on Security in Main Window and then click on Live Update ...