Sat Jan 16 2021 13:24:40 UTC
the box said: "Requires Windows9x,Me,Nt,2000 or better" . So I installed Linux !
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ID Product Comp Assignee Status Resolution Summary Changed
62734 JMeter HTTP issues RESO DUPL Jmeter HTTPS tests with tlsv1.2 and 256 bit AES ciphers only lead to 5-10% SSLHandShakeErrors 2018-09-18
One bug found.

as

File a new bug in the "HTTP" component of the "JMeter" product