All external storage USB, HDD suddenly becomes readonly, cannot delete files, need permission from S-1-5-21-xxxxxxxxxx.

[Victor Lim2]

I had two external HDD, one is a Toshiba 4TB with bitlocker and the other is a WD 4TB without bitlocker. I used to be able to freely write files to either HDD and delete files with no problems. However as of last week, I suddenly get a permission issue. I could not delete file from both HDD. I did not change anything on my laptop. Both HDD have no issues. Out of the blue ALL my folders on both external HDDs became readonly. For the bitlocker HDD I have unlocked it using the password and it shows the same problem as the non-bitlocker HDD. I did not change password, I am the current user

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