Microsoft Error Code 646 Windows Vista
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Details Page SearchResult Error Page individual import test DisputeForm SWDSelfService SWDSelfServiceStep SWDSelfServiceFinish SWDpFinderResults RemoteConnection ExitDisclaimer Warranty Check Unknown Warranty Historical Products MediaOrdering IdentifyProduct changeProductPFinderResults WCM Generic Page Customer Support MicroSite CustomerSupportMicroSitePPSTheme-2 MicroSite orderconfirmation productreplacement swdDriverDetails Z6_M0I02JG0KGSS30ACT8MPG200G1 Error: Javascript is disabled in this browser. This page requires Javascript. http://answers.microsoft.com/en-us/windows/forum/windows_vista-update/windows-update-error-code-646-kb972363-kb973709/6e716883-7af4-4a9f-8665-2f4dd57eee8d Modify your browser's settings to allow Javascript to execute. See your browser's documentation for specific instructions. {} Z7_3054ICK0KGTE30AQO5O3KA30U5 hp-support-head-portlet Actions ${title} Loading... HP Customer Support Z7_3054ICK0KGTE30AQO5O3KA30U7 hp-contact-secondary-navigation-portlet Actions ${title} Loading... HP Customer Support Support Home Products Software and Drivers Forums Contact http://support.hp.com/us-en/document/c02594924 Support Search Select your Model Let HP find my products Identify now HP can identify most HP products and recommend possible solutions. How does HP install software and gather data? Privacy Policy © Copyright 2016 HP Development Company, L.P. Z7_M0I02JG0KONJ30ACBBF8MM1084 hp-hero-support-search Actions ${title} Loading... Search all support All Support Software, Drivers and Updates Troubleshooting How to Product Information User Guides Cancel Example: “Laserjet P1102w driver” or “HP Pavilion 17-f002na will not turn on” Loading Results Z7_3054ICK0KGTE30AQO5O3KA3014 hp-share-print-widget-portlet Actions ${title} Loading... Z7_3054ICK0KGTE30AQO5O3KA30N0 hp-concentra-wrapper-portlet Actions ${title} Loading... HP Notebook PCs - Error Code 646 Appears when Using Microsoft Update Windows 7 - Using the Windows Update Troubleshooter Windows Vista - Using the Microsoft Fixit button This document pertains to HP Notebook PCs. When
Company About UsPartnersNewsAwardsPress ReleaseBlogCareersContact Us You are here:Home>Labs>Research>Fix Code 646 Registry Fix Can Solve Windows Update Error Code 646Overview - What is Windows Update Error Code 646?Windows Update Error code 646 is an error that is generated by Windows Installer, and is usually seen http://www.reimageplus.com/fix-code-646-error/ when trying to install updates to Microsoft Office.If Windows Installer discovers a problem while updating Microsoft Office, you may see this error. It's an indication that an error has been found, and that the requested updates or automatic updates have failed. You should therefore attempt to solve the problem before any future updates can be attempted. Failure to remedy the problem will mean new updates are unlikely to be downloaded and installed.Common Error Messages Seen code 646 for Windows Update Error Code 646Windows Update Error code 646 can manifest itself in a few different ways. If the error is generated you will see one of the following messages:Error Code: 646Error Code: 0x80070646Error 1606 Could not access network location %APPDATA%While the last example here does not specifically mention error code 646, it is a related error message regarding the update of Microsoft Office, as you will see from the solutions below.Causes for error code 646 Receiving Windows Update Error Code 646You will receive this general error code when Windows Installer discovers an error. Error Code 646 specifically relates to downloading Windows Update files and installing them through Windows Installer. This usually occurs when updating Microsoft Office, and when using a firewall, but it can be seen on other occasions too, particularly when using Windows Update.You will generally see a Windows Update Error code 646 if there is an incorrect value in the registry.Solutions - How to Fix Windows Update Error Code 646If you're using a firewall, either Windows built in firewall or a third party firewall, sometimes this blocks Windows Update from downloading and installing updates onto your computer. To solve the issue, you can turn off your firewall while the updates are being downloaded and installed. Once completed, you can turn your firewall on again. This is not an ideal solution due to the dangers of turning off a firewall and thus potentially exposing the system risk.Alternatively, it's possible there is an invalid entry located in your registry, which is causing this error to appear when Windows Update is evoked. To repair the problem, conduct a Windows system repair or manually make the registry fix described below.There is also a repair tool you can download directly from Microsoft that will automatically repair the correct registry keys