How to fix the Issue of Norton Antivirus Error Code 8504 100?

This error for the norton setup antivirus can be caused by another security product or due to a failed install when the product is being upgraded to a newer version.

Symptoms of Norton Error 8504 and 101:

The "Error 8504 101" first appears and then crashes the active program window.

Might Be Your PC frequently crashes with Error of 8504 101 when running the same program.

System will show “Error 101 And 8504 for Norton Internet Security ”.

Windows responds slowly & runs sluggishly to mouse or keyboard input.

Your csystem periodically freezes for about seconds.

8504 101 error messages can occur in any of the following Microsoft Windows operating systems:

· Windows 10

· Windows 8

· Windows 7

· Windows Vista

· Windows XP

· Windows ME

· Windows 2000

Steps to resolve Norton error 8504 and 101 are mentioned below:

Step 1: Repair Registry Entries Associated with Error 8504 101

Step 2: Conduct a Full Malware Scan of Your PC

Step 3: Clean Out Your System Junk (Temporary Files and Folders) With Disk Cleanup (cleanmgr)

Step 4: Update Your PC Device Drivers

Step 5: Utilize Windows System Restore to "Undo" Recent System Changes

Step 6: Uninstall and Reinstall the Norton Internet Security Program Associated with Error 8504 101

Step 7: Run Windows System File Checker ("sfc /scannow")

Step 8: Install All Available Windows Updates

Step 9: Perform a Clean Installation of Windows

Hopefully, your Norton com setup error 8504 and 101 must have been resolved.

The issue still not solved then visit us www.norton.com/setup