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I'm using HKEY_LOCAL_MACHINE to set a variable at the time of install. These need to be seen by all users on a machine and are only read by them.
I use Inno to create the entry. It's running as admin, so it should have adequate rights that virtualization doesn't kick in ... or am I misunderstanding?
My application can read the entry (even as a limited user in Win7) BUT I can't see them in RegEdit or RegEditX 3.0. I CAN see them in RegEditX 2.0 though. Weird.
I don't understand why my Delphi app can see the entry, but the RegEdit programs above can't.
I believe that this might have something to so with virtualization (first answer here: Cannot read config data from HKEY_LOCAL_MACHINE on Vista).
But, I can't even see the registry entry in question under HKCU\Software\Classes\VirtualStore\MACHINE\SOFTWARE.
Is HKEY_LOCAL_MACHINE so deprecated that I should be avoiding it completely? How is a developer now supposed to save data for all users - just in {commomappdata}, which usually is C:\Program Data... ??
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In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.
On Windows 10 and Windows 7, the system-wide registry settings are stored in files under C:\Windows\System32\Config\ , while each Windows user account has its own NTUSER. dat file containing its user-specific keys in its C:\Windows\Users\Name directory. You can't edit these files directly.
Right-click on the key and select Permissions. Click Advanced on the Permissions dialog box. If your user account isn't the current Owner, click the Change link. Type your user name in the Enter the object name to select box and then click Check Names.
64-bit versions of Windows emulate 32-bit functionality through the "Windows on Windows" (WoW) subsystem. In the case of the registry, they move the 32-bit keys over to a special subkey for compatibility reasons.
The keys will be in: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node.
This is the registry analogue of the file system redirector that maps system32 to SysWOW64.
More details can be found on the MSDN topic about the Registry Redirector.
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