Microsoft Office 365/2021/2019 installation Error code 0xC004C020
Microsoft Office 365/2021/2019 installation Error code 0xC004C020
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This article describes an error code 0xC004C020. There are cases that have been discussed related to product activation and licensing-related issues due to the hardware changes. If more no of activation is being done using the same product key, it may cause Windows product activation issues.
Understanding of Windows Error Code 0xc004c020
Applicable to the following Operating systems
More about 0xC004C020 windows update error:-
Another code explained along with this above error code is 0xC004B008. If the activation server denies the activation code entered, this could result in the above error code 0xC004C020. Common issues related to activation are an unauthorized key entry.
Troubleshooting Steps to fix Windows Error 0xC004C020
Basic troubleshooting start with the checking of system date and time. There could be network challenges due to Intermittent connectivity issues. If the time zone is set incorrectly, the system cannot be recognized by Microsoft servers. Make it your local time zone from where you are trying to activate Office or Windows.