Most of the Windows users experience Windows Update 0x80070420 Error when they try to update their operating system with latest version. When the error appears it halt the updation process in the middle an you are unable to use the latest version. You should immidiately Fix Windows Update 0x80070420 Error otherwise your system gets hanged and you will lose your essential data.
You can easily resolve the error using Registry Repair Software. It safely repair the corrupt Registry and fixes all types of system errors.
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