Getuidx64 Require Administrator Privileges [TRUSTED]

Because getuidx64 is deeply tied to hardware utilities, outdated software versions frequently trigger permission bugs on newer Windows builds.

Installation guides for these tools often recommend setting UAC to "Never Notify" temporarily to prevent permission blocks during the licensing process. : getuidx64 require administrator privileges

Turning off UAC entirely reduces system security. Only do this in isolated test environments. Because getuidx64 is deeply tied to hardware utilities,

On Windows, many low-level operations—especially those interacting with kernel objects, accessing raw disk sectors, reading system-wide memory, or enumerating all processes—are restricted to users with or administrative rights. When a function like getuidx64 tries to read the Security Identifier (SID) of a process running in a different session or access the token of a system process, the operating system blocks the call unless the caller is running with elevated integrity level (Administrator). Only do this in isolated test environments

Always verify the digital signature of any binary that asks for administrator rights. Use sigcheck from Sysinternals to check:

If you are seeing an "Administrator privileges required" error, you can resolve it using these steps: How to Run GetUid-x64 with Elevated Privileges

If a process calls getuidx64 to get the UID of another process (e.g., a service running as SYSTEM or another user), Windows requires that the requesting process has sufficient rights.