Ways to resolve Error Code 646 on Windows®
What causes Error Code 646 on Windows? How can you resolve it?
When you are trying to update or install Microsoft Office on your system, this error may occur. Error Code "0x80070646", "646" and Error Code 1606 cannot access network location "%APPDATA%". To solve this issue in Windows XP, You have to click 'Start', and then click 'Run' and in the box type 'regedit', and then click 'Ok'. In the 'Programs' list, you need to click on 'Regedit.exe'. At this time you may be asked for an administrator password or for confirmation, you will have to type the correct password and proceed. If the value is not set to "%USERPROFILE%Application Data", then right-click on the 'AppData' present in the details pane and select 'Modify' in the 'Value' data box and enter "%USERPROFILE%Application Data" and then click 'Ok' and then close registry editor.
Some of details of Error Code 646 and ways to resolve it:
- Tips to fix this issue
When you are try to install or update Microsoft Office applications through Windows Update or through Microsoft Update, sometimes you will get some error codes, so you cannot install or update Microsoft Office. The error code that will be displyed will be Error Code "0x80070646", "646" and "Error Code 1606 (cannot access network location %APPDATA %)". This problem may be due to Windows Installer.
This problem occurs when Windows Installer encounters this error. Error Code 646 and Error Code "0x80070646" are generated by Windows Installer. These generic errors indicate that Windows Installer has encountered a problem. When you encounter errors that are described in the "Symptoms" section, most of the problems may be caused by an incorrect value in the registry.
To solve this issue in Windows 7 and Windows Vista, you have to click 'Start', and then in the Run box you need to type 'regedit', and the 'Programs' list, then right-click 'Regedit.exe', and then click 'Run as administrator'. If you are prompted for an administrator password or for confirmation, enter the password, or click 'Continue'. You need to locate the following registry sub key "HKEY_USERS.DEFAULT Software MicrosoftWindowsCurrent VersionExplorerUser Shell Folders" and then locate 'AppData'. The value of this key should be "%USERPROFILE%App DataRoaming". So you need to enter that value into the 'Value' data box and then click 'Ok' then close 'Registry Editor'. Then try to install the update again.
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