PowerChute Serial Shutdown install: Disabled native power managment, return code 1

[Meg3322]

When I try to install PowerChute Serial Shutdown on Windows 11, I get the following in the log and the installer windows just dies..

==============================================================================================
2026-03-26 15:39:58 --- Installing PowerChute Serial Shutdown 1.4.0.301
2026-03-26 15:39:58 --- .onInit
2026-03-26 15:40:00 --- CacheOSLanguage: OS language cached: 1033
2026-03-26 15:40:00 --- Setting up CommandLineConfigEditor tool
2026-03-26 15:40:00 --- CustomGUIInit
2026-03-26 15:40:00 --- PowerChute Serial Shutdown is not installed
2026-03-26 15:40:00 --- CheckJapaneseOS: OS language identifier detected: 1033
2026-03-26 15:40:00 --- Checking if PowerChute Business Edition is installed
2026-03-26 15:40:00 --- PowerChute Business Edition is not installed
2026-03-26 15:40:01 --- Microsoft Visual C++ 2017 Redistributable Package (x64) is already installed
2026-03-26 15:40:01 --- PowerChute Personal Edition is not installed
2026-03-26 15:40:07 --- Installed SE certificate
2026-03-26 15:40:07 --- UPS connected, checking hardware id before installing APCUPS driver
2026-03-26 15:40:09 --- Disabled native power managment, return code 1

[mnk]

Same here.  Any solutions?

2026-07-07 13:10:05 --- Installing PowerChute Serial Shutdown 1.5.0.301
2026-07-07 13:10:05 --- .onInit
2026-07-07 13:10:07 --- CacheOSLanguage: OS language cached: 1033
2026-07-07 13:10:07 --- Setting up CommandLineConfigEditor tool
2026-07-07 13:10:07 --- CustomGUIInit
2026-07-07 13:10:07 --- PowerChute Serial Shutdown is not installed
2026-07-07 13:10:07 --- CheckJapaneseOS: OS language identifier detected: 1033
2026-07-07 13:10:07 --- Checking if PowerChute Business Edition is installed
2026-07-07 13:10:07 --- PowerChute Business Edition is not installed
2026-07-07 13:10:08 --- Microsoft Visual C++ 2017 Redistributable Package (x64) is already installed
2026-07-07 13:10:08 --- PowerChute Personal Edition is not installed
2026-07-07 13:10:44 --- Installed SE certificate
2026-07-07 13:10:44 --- UPS connected, checking hardware id before installing APCUPS driver
2026-07-07 13:10:45 --- Disabled native power managment, return code 1