
Error code 80004002 will be encountered when there are absent registry keys. These missing registry keys will hinder an update process when initiated. However, this error code can be averted once the user makes a reinstall of the Windows Update Client. The steps will be highlighted throughout the article.
Error code 80004002 might occur for various valid reasons. In cases of installing programs, a user might mistakenly install a new program over another, that was not properly (completely) uninstalled. This could cause a stack-up of registry keys and error messages. Additionally, error code 80004002 might be a consequence of malware, viruses, and adware.
If left unchecked, error code 80004002 could amount to system freezes and crashes, slow computer performance, error codes upon installation, and even blue screen errors. To fix this error code, you might want to attempt one or all the methods below. This is due to the fact that the problem might stem from various reasons.
Ensure to boot your computer in safe mode. This is to ensure that you are properly able to troubleshoot Windows update error code 80004002. To load your computer in safe mode, turn on the computer, press F8 before it fully loads to the ‘sign in’ screen.
One of the many reasons why you’ll encounter error code 80004002 is in light of the fact that your drivers might have been outdated. To check if your driver is outdated, Right click on the Start menu, select the Device Manager option. From there, you’ll be able to tell which device(s) is corrupted and needs updating.
To perform this process, follow the steps below:
Click for 32-bit Operating System
Click for 64-bit Operating System
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"550 Requested action not taken: mailbox unavailable" "550 5 2 1 mail from refused spam site"In other words, the error code 550 means that your SMTP server was not able to deliver the sent email to the user.
net stop wuauserv net stop bits
net start wuauserv net start bitsSince the folder has already been flushed, it will be populated afresh the instant your restart your computer and open Windows Update.
“Windows is unable to reach your company’s activation service. Please connect to your corporate network. If you are connected and continue to see the error, contact your system administrator. You can also click on the error detail to find the exact error. Error code: 0xC004F074.” “Activating Windows(R), (Key hash)… Error: 0xC004F074 The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional information.” “Error 0xC004F074, SL_E_AUTHN_MISMATCHED_KEY, The Software Licensing Service reported that the key is mismatched.”To fix the Windows 10 Activation error 0xC004F078, you have to use the correct key for your type of Windows copy or use Command Prompt to reinstall the key or you could also try running the Activation troubleshooter.
net stop wuauserv net stop bits rename c:windowsSoftwareDistribution SoftwareDistribution.bak
net start wuauserv net start bitsSince the folder has already been flushed, it will be populated afresh the instant your restart your computer and open Windows Update.