ATL Provider Error ATL2025

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Error Message

Failed to compile RGS. Unknown root key (key) specified.

The root key key specified in an RGS file is unknown. Change it to one of the following:

  • HKCR

  • HKCU

  • HKLM

  • HKU

  • HKPD

  • HKDD

  • HKCC

  • HKEY_CLASSES_ROOT

  • HKEY_CURRENT_USER

  • HKEY_LOCAL_MACHINE

  • HKEY_USERS

  • HKEY_PERFORMANCE_DATA

  • HKEY_DYN_DATA

  • HKEY_CURRENT_CONFIG

The following RGS file generates ATL2025.

HKLMM
{
}

To resolve the error, change HKLMM to HKLM.