Missing files or incorrect results? Install latest version of AutoUpdate rw-r-r- 1 root wheel 326176 May 25 07:31 /Library/PrivilegedHelperTools/ In the output, such as the following example, look for permissions set to -rw-r-r- followed by root wheel as the owner. Check permissions and owner - Launch Daemons If you don't see these permissions, install the latest version of AutoUpdate below. rwxr-xr-x 1 root wheel 326176 May 25 07:31 /Library/PrivilegedHelperTools/ In the output, such as the following example, look for permissions set to -rwxr-xr-x followed by root wheel as the owner. Check permissions and owner - Privileged Helper Tools To investigate this error, follow the steps below: Step 1. LessĪn error message upon attempting to run Microsoft AutoUpdate (MAU) may be due to a missing helper file or incorrectly set permissions. Office 2021 for Mac Office 2019 for Mac Microsoft 365 for Mac More.