I have PP Beta 22.1.0.110 on windows 10, and a black screen issue (no video thumbnails) on import tab.
Steps to reproduce :
0) In PP Beta preference/General, I had selected: "at the start, open the most up to date" (in my example, the most up to date was to open on "Modify tab/project".
1) When I open PP Beta I am on "Modify tab / Project".
2) I click on "Import tab" and select 3 thumbnails.
3) I close PP Beta
4) At the reopen PP Beta, I am on "modify tab/media explorer".
5) I click on "import tab" and you can see that import tab is black (no video thumbnails). So, PP Beta does not load the "import tab" content.
Even if I trash preference, I have all the time this problem.
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