uiaccess-demo

Missing UIAccess on Windows 11 24H2 when started using short path names.

1. Build uitest.exe.

2. Sign uitest.exe: signtool sign /f <certificate.pfx> /p <password> /fd SHA256 uitest.exe

3. Create a new folder in the C:\Program Files folder. Copy uitest.exe into the newly created folder.

4. Run Process Explorer. Right click the columns header and select Select Columns. Add the Integrity Level and UI Access columns.

5. Open an elevated command prompt and run: "C:\Program Files\uitest\uitest.exe". Output:

integrity level: 3000
ui access: 1

Process Explorer shows "UI Access" in the UI Access column.

6. Open an elevated command prompt and run: "C:\PROGRA~1\uitest\uitest.exe". Output:

integrity level: 3000
ui access: 0

Process Explorer shows nothing in the UI Access column.