Primary cause to this error is threats to infection in antivirus and if there is another security product installed on the computer and the error code is seen while installing updates in Norton to upgrade or update it to newer version. There are several issue registered on the error code 8504 and 101 with Norton antivirus.
You can also try Norton auto fix as it is the only program to auto fix error read now How to Troubleshoot Norton Autofix Error Codes. If you want to solve Norton error 8504 and 101 you are in need to read below listed steps to solve the issues you faced with Norton and the latest posts are her to Fix Norton antivirus error.
Steps to Fix Norton Error 8504 and 101 Windows 10:
METHOD1: REMOVE NORTON USING NRN TOOL
Step1: Download NRN tool and Open downloaded location of the file.
Step2: Double click downloaded file and click on agree to read license agreement.
Step3: Press advanced option and press Remove only button.
Step4: Press remove button and click on restart button to restart computer.
METHOD2: UNINSTALL NORTON TOOLS
Step1: Press windows with R button and now type appwiz.cpl and hit enter.
Step2: Search Norton installed products from the list and press to uninstall or remove button.
Step3: Follow on screen commands and restart the computer.
METHOD3: UPDATE GRAPHICS FOR VIDEO DRIVER
Step1: Press R button with Windows button and now type devmgmt.msc and press enter.
Step2: Click on display adaptors in device manager and open display adaptors.
Step3: Right click on installed chipset to select properties and click on drivers tab.
Step4: Press update button and install updates.
Call Norton Support Number +1-844-313-8282 to Fix Norton Error 8504 and 101
You are required to contact antivirus support number to get instant support round the clock to fix Norton error 8504 and 101. You can call toll free +1-844-313-8282 to get instant help from the team of certified professionals working 24*7 to resolve various errors in Norton and support provided for customers in USA and Canada.