I am now facing same problem, either. I am using same laptop which I successfully take other RedHat exam successfully. I am using the image RHRE-20210309. I redownloaded the image and tried again, but problem still occurs.
I too facing the same issue. my voucher is about to expire in few days but no physical exam center in my city.
I tried this on 4-5 different laptops but facing same issue everywhere. Due to this error i can not give remote exam. please help...
Seeing the same issue. Tried couple of laptops one shows 100% and environment loading into memory and noting happening. other laptop Completed the 100% and blank screen.
Could you please help me to resolve the issue.