Navigation Pane

Root Explorer at a path

Add a path at root level to Explorer:

explorer.exe /e,/root,<Path>

Hide navigation pane items (x86)

Remove Favorites

[HKEY_CLASSES_ROOT\CLSID\{323CA680-C24D-4099-B94D-446DD2D7249E}\ShellFolder]
“Attributes”=dword:a0900100

Changing a0900100 to a9400100 will hide Favorites from the Navigation Pane.

Remove Libraries

[HKEY_CLASSES_ROOT\CLSID\{031E4825-7B94-4dc3-B131-E946B44C8DD5}\ShellFolder]
“Attributes”=dword:b080010d

Changing b080010d to b090010d will hide Libraries from the Navigation Pane.

Remove Network

[HKEY_CLASSES_ROOT\CLSID\{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}\ShellFolder]
“Attributes”=dword: b0940064

This first part is, in the 32-bit world, the solution for Windows Explorer and the Common File Dialog. In the 64-bit world you need another registry key edited. This is basically the same key, but in the Wow6432Node folder within the registry.

Hide navigation pane items (x64)

Remove Favorites

[HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{323CA680-C24D-4099-B94D-446DD2D7249E}\ShellFolder]
“Attributes”=dword:a0900100

Changing a0900100 to a9400100 will hide Favorites from the Navigation Pane.

Remove Libraries

[HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{031E4825-7B94-4dc3-B131-E946B44C8DD5}\ShellFolder]
“Attributes”=dword:b080010d

Changing b080010d to b090010d will hide Libraries from the Navigation Pane.

Remove Network

[HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}\ShellFolder]
“Attributes”=dword: b080010d

Changing b080010d to b090010d will hide Libraries from the Navigation Pane.

Show all folders

Right-click the navigation pane and choose Show all folders.