[5.5.4 Crash] External Image Picker: DecompressImage failed

Development Programming & Scripting
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1

The editor crashed with

LogSlate: External Image Picker: DecompressImage failed

The solution was to update the DefaultEngine.ini section [/Script/Engine.RendererSettings]
I did not went through trial & error to pin down the exact setting or combination of settings leading to this editor crash, but removing some more exotic and a double entry did the trick.

The crash window error

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x000000002000000c
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D3D12Core
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UnrealEditor_D3D12RHI
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kernel32
ntdll

2

How exactly did you fix this ? i get this after i updated the drivers rolling back works but it is old drivers that doesn’t support newer versions of some software i use so i need to use the new drivers.

3

Make a backup of DefaultEngine.ini then replace it with the default one. Did this help?
Btw. I recently had a related crash but this was after the computer was restarted from sleep mode. It may also happen due to GPU heat, or perhaps some blueprint code.