Set “RUNASADMIN” application compatibility flag in Inno Setup

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My application was made with Java and it needs Administrator privilege to run on Windows. Using Inno Setup I could change change a registry with the following code and it wo

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梦如初夏

2021-01-14 21:17

I do not think your problem is related to Windows 7 vs. Windows 8/10. It's rather that your Windows 7 is 32-bit and Windows 8/10 is 64-bit.

The Inno Setup installer is 32-bit application, so SOFTWARE gets redirected to SOFTWARE\Wow6432Node by default.

You have to use an explicit 64-bit registry root like Root: HKLM64 to explicitly avoid the redirection.

You will probably also want to add Check: IsWin64 to make sure the entry is not processed on 32-bit installations, as it would cause an error.

See [Registry] section documentation.

Or use 64-bit install mode.

I also believe that it should not be HKCR, but HKCU.
See Why is it not recommended to use HKCR registry root key in Inno Setup?

[Registry]
; keys for 32-bit systems
Root: HKCU32; \
    Subkey: "SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers"; \
    ValueType: String; ValueName: "{app}\AppExecutable.exe"; ValueData: "RUNASADMIN"; \
    Flags: uninsdeletekeyifempty uninsdeletevalue; Check: not IsWin64
Root: HKLM32; \
    Subkey: "SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers"; \
    ValueType: String; ValueName: "{app}\AppExecutable.exe"; ValueData: "RUNASADMIN"; \
    Flags: uninsdeletekeyifempty uninsdeletevalue; Check: not IsWin64

; keys for 64-bit systems
Root: HKCU64; \
    Subkey: "SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers"; \
    ValueType: String; ValueName: "{app}\AppExecutable.exe"; ValueData: "RUNASADMIN"; \
    Flags: uninsdeletekeyifempty uninsdeletevalue; Check: IsWin64
Root: HKLM64; \
    Subkey: "SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers"; \
    ValueType: String; ValueName: "{app}\AppExecutable.exe"; ValueData: "RUNASADMIN"; \
    Flags: uninsdeletekeyifempty uninsdeletevalue; Check: IsWin64

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