Error 646 While Installing Updates
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 code 646 error seen when trying to install updates to Microsoft Office.If Windows Installer discovers a problem while itunes error occurred while installing the updates updating Microsoft Office, you may see this error. It's an indication that an error has been found, and that the requested updates reference error code 646 paypal 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 area code 646 Messages Seen 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 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 wil
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is not entirely perfect and some error can restrict from installing the updates. Code 646 is one of such error, which popups when you are trying to update Microsoft Office. If you are facing this error, http://www.thewindowsbulletin.com/how-to-resolve-code-646-windows-update-error-2225/ don't worry, here are the solutions to resolve this error. How to resolve Code 646 Windows update error Method 1: Using Microsoft Fix it Using Microsoft Fix it is the simple and fastest method to resolve code 646 error. For this you need to run Microsoft Fix It and follow the on screen instructions till end. That's it, after finishing the installing, try installing the update once again and it should go through code 646 without any issue. If this method doesn't work for you, then follow below methods, but they require more effort. Method 2: Windows Update Troubleshooter Search for find and fix problems and click on the exact result from the results, then you will be taken to control panel. Here click on the Fix problems with Windows update option. This will open a wizard and here click on Advanced and then select Run as Administrator option and click on Next to proceed error 646 while further. If any errors to be fixed, then they will applied automatically. Now try to install the update again and check whether Code 646 has been resolved or not. If the error is not fixed yet, then use the below method. Method 3: Edit Registry In this method you need to edit the registry, so you need to perform this carefully. If anything goes wrong then this may cause serious issues to your system. Follow the instructions carefully, to perform the registry editing successfully. This is the manual method for the first method which we have listed. If you perform this fix manually can achieve good results than automated application. Press Win+R keys to launch RUN dialog box and type regedit and press enter, this will open Registry Editor. In registry editor navigate to the following key, HKEY_USERS.DEFAULTSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders Now in the right pane, double click on the AppData key to open edit string box and here in the Value Data box, enter the following. %USERPROFILE%AppDataRoaming Then click on OK and run the Windows update to check whether the issue is resolved or not. If this is not solved, then edit the registry strings in the below keys and input the same Value Data as shown above. HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders Though Windows Update can be bothersome, but this offers very useful fun