The file getuidx64.exe (or a similar variations like getuid64.exe ) is a 64-bit executable designed to fetch a Unique Identifier (UID) from a computer's hardware. Common Sources of the File
The executable getuidx64 (Get User ID x64) is a specialized system or third-party utility designed to fetch the unique identifier of the currently logged-in user. Because it probes deep into the Windows Security Account Manager (SAM) or active user sessions, it requires elevated system permissions to run. What is getuidx64?
: This is often required because the utility may use unsigned drivers to fetch hardware info. Command Prompt Administrator Type the following command and press Enter: bcdedit.exe -set TESTSIGNING ON Restart your computer getuidx64 require administrator privileges
Windows uses a security feature called . UAC blocks standard user accounts—and sometimes even non-elevated administrator accounts—from accessing deep system hardware information. The error triggers due to three main scenarios:
Some users report success by using an older compatibility mode: The file getuidx64
Ensure your Windows account is an Administrator and not a Standard User.
NTSTATUS HandleIOCTL(PDEVICE_OBJECT DeviceObject, PIRP Irp) // The dangerous part: Interacting with the EPROCESS structure // ... What is getuidx64
Check the box that says . Click Apply and then OK . Launch the program again. Method 2: Grant Permissions Directly to getuidx64
getuidx64 is not a standard, high-level API provided directly in the core Windows SDK (like GetUserName or OpenProcessToken ). Instead, it is typically found in specialized debugging tools, anti-cheat mechanisms, security software, or low-level systems programming libraries designed to retrieve a 64-bit user identifier (UID) or security token.
. This wasn't a standard Windows utility; it was a relic from a merger in the late 90s, a piece of code written by a programmer who vanished shortly after the Y2K scare. As he peeled back the layers of machine code, he found a comment buried in the hex: // User ID check is not for the OS. It is for the Intent.