IR Bus Enumerator (IRENUM) Service Defaults in Windows 10
IR Bus Enumerator.
Default Settings
| Startup type: | Manual |
| Display name: | IR Bus Enumerator |
| Service name: | IRENUM |
| Service type: | kernel |
| Error control: | ignore |
| Path: | %SystemRoot%\system32\drivers\irenum.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\IRENUM |
Default Behavior
IR Bus Enumerator is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If IR Bus Enumerator fails to load or initialize, Windows 10 start up proceeds without warnings. However the error details are being logged.
Restore Default Startup Configuration of IR Bus Enumerator
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config IRENUM start= demand
3. Close the command window and restart the computer.
The IRENUM service is using the irenum.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.