After applying fslogix policy, black screen displayed when launching published apps as well as in console.

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It is the fslogix bug according to：
https://techcommunity.microsoft.com/t5/fslogix/fslogix-2210-2-9-8361-52326-bugs-black-screen-and-log-off-issues/m-p/3707255

You can try the following steps to fix:

1. Downgrade fslogix version to 2.9.7838.44263
2. Add following registry per https://learn.microsoft.com/en-us/fslogix/reference-configuration-settings?tabs=profiles#roamrecyclebin
   • Registry Hive: HKEY_LOCAL_MACHINE\SOFTWARE\FSLogix\Apps
   • Value Name: CleanupInvalidSessions
   • Value Type: DWORD
   • Enabled Value: 1
   • Disabled Value: 0 (default)
   • Value Name: RoamRecycleBin
   • Value Type: DWORD
   • Enabled Value: 1 (default)
   • Disabled Value: 0
   • Value Name: VHDCompactDisk
   • Value Type: DWORD
   • Enabled Value: 1 (default)
   • Disabled Value: 0