App Locker not applying the Group Policy Setting

Had to use SECPOL.MSC and add the rule manually:

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Ivo I have the same error and I have all the Managed apps roles assigned and activated.
Save application failed. TypeError: Cannot read properties of null (reading ‘appType’) · October 20, 2025
Barry Wood Thank you very much for this explanation. We currently have the same error message being reported by DFI, so this method of deleting the container is really apricated.
How to clear old ADFS Instance · October 8, 2025
hamza hameed Thank you very much bro, I spent a month troubleshooting this. Im dealing with a hybrid on-prem/cloud solution, I tried readding my Fortigates to my Fortimanager but was still getting the same issue....
error system interface – VPN1 :15 – used. detail: used in adom by dynamic interface(VPN1) · September 10, 2025
Paris Wells Priveldged Identity Management , gives users Just In Time access to Intune admin role
Save application failed. TypeError: Cannot read properties of null (reading ‘appType’) · August 7, 2025
SomeJunk Bro, can you explain a little bit, please?
Save application failed. TypeError: Cannot read properties of null (reading ‘appType’) · August 6, 2025