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Problem: "Error 1606: Could not access the network location" encountered when attempting to add, remove, or change the installation of ArcGIS products

Description

When attempting to add, remove, or change the installation of ArcGIS products, the following error may occur:

Error:
"Error 1606: Could not access the network location."
Note:
There are many situations under which Error 1606 may be encountered. If a this error is returned, the best resource to find out why and to help remedy the issue is to provide a Windows Installer log file and analyze it. 

Cause

This issue may occur if there is an incorrect setting in one of the registry keys related to Shell Folders.

Solution or Workaround

Warning:
The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.

Esri cannot guarantee results from incorrect modifications while following these instructions; therefore, use caution and proceed at your own risk.

Verify that the values that correspond to user Shell Folders are set correctly and have a valid value.

  1. Navigate to Start > Run, type regedit.exe, and click OK.
  2. Navigate to
    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
  3. In the details (right-hand) pane of the Registry Editor, verify that the values are the same as the values in the following table. If each value matches the table, go to step 7.

    Windows XP and Windows Server 2003
    Value Name     Value Data
    ==============================
    AppData        %USERPROFILE%\Application Data 
    Cache          %USERPROFILE%\Local Settings\Temporary Internet Files 
    Cookies        %USERPROFILE%\Cookies 
    Desktop        %USERPROFILE%\Desktop 
    Favorites      %USERPROFILE%\Favorites 
    History        %USERPROFILE%\Local Settings\History 
    LocalAppData   %USERPROFILE%\Local Settings\Application Data 
    Local Settings %USERPROFILE%\Local Settings 
    My Pictures    %USERPROFILE%\My Documents\My Pictures 
    NetHood        %USERPROFILE%\NetHood 
    Personal       %USERPROFILE%\My Documents 
    PrintHood      %USERPROFILE%\PrintHood 
    Programs       %USERPROFILE%\Start Menu\Programs 
    Recent         %USERPROFILE%\Recent 
    SendTo         %USERPROFILE%\SendTo 
    Start Menu     %USERPROFILE%\Start Menu 
    Startup        %USERPROFILE%\Start Menu\programs\Startup 
    Templates      %USERPROFILE%\Templates

    Windows Vista, Windows 7, Windows Server 2008 and Windows 10
    Value Name     Value Data
    ==============================
    {374DE290-123F-
    4565-9164-
    39C4925E467B}  %USERPROFILE%\Downloads
    AppData        %USERPROFILE%\AppData\Roaming 
    Cache          %USERPROFILE%\AppData\Local\Microsoft\Windows\Temporary Internet Files 
    Cookies        %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Cookies 
    Desktop        %USERPROFILE%\Desktop 
    Favorites      %USERPROFILE%\Favorites 
    History        %USERPROFILE%\AppData\Local\Microsoft\Windows\History 
    LocalAppData   %USERPROFILE%\AppData\Local 
    My Pictures    %USERPROFILE%\Pictures
    My Music       %USERPROFILE%\Music
    My Video       %USERPROFILE%\Videos
    NetHood        %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Network Shortcuts
    Personal       %USERPROFILE%\Documents 
    PrintHood      %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Printer Shortcuts 
    Programs       %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs 
    Recent         %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Recent 
    SendTo         %USERPROFILE%\AppData\Roaming\Microsoft\Windows\SendTo 
    Start Menu     %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu 
    Startup        %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup 
    Templates      %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Templates
  4. If any Name or Data value does not match the table in step 3, right-click the Value name, and click Delete.
  5. On the left side, right-click User Shell Folders, point to New, click Expandable String Value, type the Name value that was just deleted from the table in step 3, and press Enter to create the variable.
  6. Right-click the value created in step 5, click Modify, type the value in the Value data field for the Value name, and click OK.
Note:
Repeat steps 5 and 6 for any of the values that were deleted.
  1. Navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders.
  2. On the right side, verify that the values are the same as the values in the following table. If each value matches the table, go to step 12.

    Windows XP and Windows Server 2003
    Value name        Value data 
    =============================
    Common AppData    %ALLUSERSPROFILE%\Application Data 
    Common Desktop    %ALLUSERSPROFILE%\Desktop 
    Common Documents  %ALLUSERSPROFILE%\Documents 
    Common Favorites  %ALLUSERSPROFILE%\Favorites 
    Common Programs   %ALLUSERSPROFILE%\Start Menu\Programs 
    Common Start Menu %ALLUSERSPROFILE%\Start menu 
    Common Startup    %ALLUSERSPROFILE%\Start Menu\Programs\Startup 
    Common templates  %ALLUSERSPROFILE%\Templates

    Windows Vista, Windows 7, Windows Server 2008 and Windows 10
    Value name        Value data 
    =============================
    {3D644C9B-1FB8-
    4f30-9B45-
    F670235F79C0}     %PUBLIC%\Downloads
    Common AppData    %ProgramData% 
    Common Desktop    %PUBLIC%\Desktop 
    Common Documents  %PUBLIC%\Documents 
    Common Programs   %ProgramData%\Microsoft\Windows\Start Menu\Programs 
    Common Start Menu %ProgramData%\Microsoft\Windows\Start Menu 
    Common Startup    %ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup 
    Common templates  %ProgramData%\Microsoft\Windows\Templates
    CommonMusic       %PUBLIC%\Music
    CommonPictures    %PUBLIC%\Pictures
    CommonVideo       %PUBLIC%\Videos
  3. If any Name or Data does not match the table in step 3, right-click the Value name, and click Delete.
  4. On the left hand side, right-click User Shell Folders, point to New, click Expandable String Value, type the Name value that was removed from the table in step 3, and press Enter.
  5. Right-click the value created in step 5, click Modify, type the value in the Value data field for the Value name, and click OK.
Note:
Again repeat steps 10-11 for each of the values that was removed.
  1. Close the Registry Editor, and restart the computer.

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