Check these settings if you are unable to enable "Show Hidden Files and Folders"

Check these settings if you are unable to enable "Show Hidden Files and Folders"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]

"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"

"Text"="@shell32.dll,-30500"

"Type"="radio"

"CheckedValue"=dword:00000001

"ValueName"="Hidden"

"DefaultValue"=dword:00000002

"HKeyRoot"=dword:80000001

"HelpID"="shell.hlp#51105"

These keys control the state of relevant Windows Explorer settings.

Changes only apply once the explorer process has been restarted.  Explorer is also capable of reverting the settings in the meantime.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

"HideFileExt"=dword:00000000                                        1 is default
"HideDrivesWithNoMedia"=dword:00000000                   1 is default
"Hidden"=dword:00000001                                               2 is default on this key - Don't show.
"ShowSuperHidden"=dword:00000001                             0 is default