Invalid H:\ Drive You receive an "Error " error message when you try to install or remove a Microsoft program       Symptoms   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   Back to the top  |  Give Feedback   Cause   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.    Back to the top  |  Give Feedback   Resolution   Method 1     Fix it for me     Let me fix it myself   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   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 Vista, Windows 7 and Windows Server 2008   Value name    Type    Value data   {374DE290-123F-4565-9164-39C4925E467B}   REG_EXPAND_SZ   %USERPROFILE%\Downloads   AppData   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming   Cache   REG_EXPAND_SZ   %USERPROFILE%\AppData\Local\Microsoft\Windows\Temporary Internet Files   Cookies   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Cookies   Desktop   REG_EXPAND_SZ   %USERPROFILE%\Desktop   Favorites   REG_EXPAND_SZ   %USERPROFILE%\Favorites   History   REG_EXPAND_SZ   %USERPROFILE%\AppData\Local\Microsoft\Windows\History   LocalAppData   REG_EXPAND_SZ   %USERPROFILE%\AppData\Local   My Pictures   REG_EXPAND_SZ   %USERPROFILE%\Pictures   My Music   REG_EXPAND_SZ   %USERPROFILE%\Music   My Video   REG_EXPAND_SZ   %USERPROFILE%\Videos   NetHood   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Network Shortcuts   Personal   REG_EXPAND_SZ   %USERPROFILE%\Documents   PrintHood   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Printer Shortcuts   Programs   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs   Recent   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Recent   SendTo   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\SendTo   Start Menu   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu   Startup   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup   Templates   REG_EXPAND_SZ   %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Templates     For Windows XP and for Windows Server 2003   Value name    Type    Value data   AppData    REG_EXPAND_SZ   %USERPROFILE%\Application Data   Cache    REG_EXPAND_SZ   %USERPROFILE%\Local Settings\Temporary Internet Files   Cookies    REG_EXPAND_SZ    %USERPROFILE%\Cookies   Desktop    REG_EXPAND_SZ    %USERPROFILE%\Desktop   Favorites    REG_EXPAND_SZ    %USERPROFILE%\Favorites   History    REG_EXPAND_SZ    %USERPROFILE%\Local Settings\History   Local AppData   REG_EXPAND_SZ    %USERPROFILE%\Local Settings\Application Data   Local Settings    REG_EXPAND_SZ    %USERPROFILE%\Local Settings   My Pictures    REG_EXPAND_SZ    %USERPROFILE%\My Documents\My Pictures   NetHood    REG_EXPAND_SZ    %USERPROFILE%\NetHood   Personal    REG_EXPAND_SZ    %USERPROFILE%\My Documents   PrintHood    REG_EXPAND_SZ    %USERPROFILE%\PrintHood   Programs    REG_EXPAND_SZ    %USERPROFILE%\Start Menu\Programs   Recent    REG_EXPAND_SZ    %USERPROFILE%\Recent   SendTo    REG_EXPAND_SZ    %USERPROFILE%\SendTo   Start Menu    REG_EXPAND_SZ    %USERPROFILE%\Start Menu   Startup    REG_EXPAND_SZ    %USERPROFILE%\Start Menu\programs\Startup   Templates    REG_EXPAND_SZ    %USERPROFILE%\Templates     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 Vista, Windows 7 and Windows Server 2008   Value name   Type   Value data   {3D644C9B-1FB8-4f30-9B45-F670235F79C0}   REG_EXPAND_SZ   %PUBLIC%\Downloads   Common AppData   REG_EXPAND_SZ   %ProgramData%   Common Desktop   REG_EXPAND_SZ   %PUBLIC%\Desktop   Common Documents   REG_EXPAND_SZ   %PUBLIC%\Documents   Common Programs   REG_EXPAND_SZ   %ProgramData%\Microsoft\Windows\Start Menu\Programs   Common Start Menu   REG_EXPAND_SZ   %ProgramData%\Microsoft\Windows\Start Menu   Common Startup   REG_EXPAND_SZ   %ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup   Common templates   REG_EXPAND_SZ   %ProgramData%\Microsoft\Windows\Templates   CommonMusic   REG_EXPAND_SZ   %PUBLIC%\Music   CommonPictures   REG_EXPAND_SZ   %PUBLIC%\Pictures   CommonVideo   REG_EXPAND_SZ   %PUBLIC%\Videos     For Windows XP and for Windows Server 2003   Value name   Type   Value data   Common AppData   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Application Data   Common Desktop   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Desktop   Common Documents   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Documents   Common Favorites   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Favorites   Common Programs   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Start Menu\Programs   Common Start Menu   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Start menu   Common Startup   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Start Menu\Programs\Startup   Common templates   REG_EXPAND_SZ   %ALLUSERSPROFILE%\Templates     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.   Method 2   If the issue still occurs, find registry keys.    Below is a registry key reference of how the key is displayed for Microsoft Office in the registry:   The Version of Microsoft Office   Displayed in Registry   Office 2010   14.0   Office 2007   12.0   Office 2003   11.0   Office XP   10.0   Office 2000   9.0   Office 97   8.0   To do this, follow the steps below:    Click  Start , click  Run , type  Regedit.exe , and then click  OK .   Locate and then click the following registry subkey:   HKEY_LOCAL_MACHINE\Software\Microsoft\Office   In the left pane,there any old Microsoft Office register keys that do not have any product associated with them.   Note  The picture below is an example for deleting an Office 2007 registery key.   In the left pane, right click the folder that you located and then click  Delete .   Exit Registry Editor, and then restart the computer.   Note  For those who failed to delete the register keys, try to right-click the key and click  Permission . Make sure your user group (or you) have Full Control. It could be administrator or another account that has administrative privileges.    Back to the top  |  Give Feedback       Pasted from < http://support.microsoft.com/kb/886549 >    REG QUERY  "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders"   REG QUERY  "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders"     REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v AppData /t REG_EXPAND_SZ /d %USERPROFILE%\AppData\Roaming /f       REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Favorites /t REG_EXPAND_SZ /d %USERPROFILE%\Favorites /f   Migrated to Passportal   https://us-clover.passportalmsp.com/digidocs/digidoc/app/4337118/339108#/view