Hardware configuration:
CPU : Intel(R) Core™ i5-7500 CPU @ 3.40GHZ
RAM : 16G
GPU : NVIDIA GeForce GTX 1060 6GB.
Software configuration:
OS : Windows 10 64 bit
Unity : Unity 2020 3.41f1c1
Unity Graphics API: OpenGLES3,Vulkan
Problem description:
Unity will be frozen while switch to android platform, the progress bar show it is stuck in importing picture resource.
Repro Steps:
1.Open the project [current platform is PC ]
2.Select the Android platform in [Build Settings] panel,Switch the platform
3.Unity will re-import all resources.After waiting for a few minutes (no more than 5 minutes), the import progress bar will be stuck, showing that the progress of importing some pictures has stopped. The asset importer crashed.
As the picture shows:

Anyone meet the same problem? What is the reason of this bug?