How To Fix Norton 360 Error 8504,104 Message?

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Hi, During Norton installation process I got an error describing 8504,104. I reinstalled Norton software but getting the same error. So please give me a solution for Norton 360 error 8504, 104. Thanks in advance.

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Answered By 30 points N/A #294758

How To Fix Norton 360 Error 8504,104 Message?

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These errors occur due to corrupted software or a running program crashed due corruption in Windows registry. Even you or another program deleted Norton 360 related files mistakenly. So clear all your temporary files. Restart your PC, now reinstall Norton 360 with good internet connection.

If above process not worked follow these steps, firstly disable tamper protection by going to product security settings, Reboot system, download NRRT file then re-enable tamper protection.

Start system in safe mode with networking, Go to Program Files>Norton 360> Engine then find symhtmx.dll, change its name to symhtmx.dll.old. Now restart your PC.

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