You receive an “Error 1606” error message when you try to install or remove a Microsoft program
View products that this article applies to.

Courtsey link http://support.microsoft.com/kb/886549
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SYMPTOMSWhen you try to install or remove any one of the products listed in the “Applies…When you try to install or remove any one of the products listed in the “Applies To” section, you may receive an error message that resembles the following:
Error 1606: Could Not Access Network Location
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CAUSEThis issue may occur if there is an incorrect setting in one of the following re…This issue may occur if there is an incorrect setting in one of the following registry subkeys:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

To have us fix this problem for you, go to the “Fix it for me” section. To fix this problem yourself, go to the “Let me fix it myself” section.

Note This Fix it package can automatically recover all the registry entries that are listed in the following tables.
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Fix it for meTo fix this problem automatically, click the Fix it button or link. Click Run in…To fix this problem automatically, click the Fix it button or link. Click Run in the File Download dialog box, and then follow the steps in the Fix it wizard.

Fix this problem
Microsoft Fix it 50356

Notes
This wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.
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Let me fix it myselfImportant This section, method, or task contains steps that tell you how to modi…Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows

To resolve this issue yourself, follow these steps:
Click Start, click Run, type Regedit.exe, and then click OK.
Locate and then click the following registry subkey:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
In the right pane, verify that the values are the same as the values in the following table. If each value matches the table, go to step 7.
For Windows XP and for Windows Server 2003Collapse this tableExpand this tableValue name Type Value data

For Windows Vista, Windows 7 and Windows Server 2008

If any Name, Type, or Value does not match the table in step 3, right-click the Value name, and then click Delete.
In the left pane, right-click User Shell Folders, point to New, click Expandable String Value, type the Name value that you want from the table in step 3, and then press ENTER.
Right-click the value that you created in step 5, click Modify, type the value in the Value data box for the Value name, and then click OK.
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
In the right pane, verify that the values are the same as the values in the following table. If each value matches the table, go to step 12.
For Windows XP and for Windows Server 2003


If any Name, Type, or Value does not match the table in step 8, right-click the Value name, and then click Delete.
In the left pane, right-click User Shell Folders, point to New, click Expandable String Value, type the Name value that you want from the table in step 8, and then press ENTER.
Right-click the value that you created in step 10, click Modify, type the value in the Value data box for the Value name, and then click OK.
Exit Registry Editor, and then restart the computer.
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Note This is a “FAST PUBLISH” article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use (http://go.microsoft.com/fwlink/?LinkId=151500) for other considerations.

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