Hi Anand Sri, I did more tests. I tested on Windows 7 Pro SP1 Czech, Windows 10 Pro 1809 Czech, Windows 10 Pro 1903 English. Result is: Version of Windows have no influence. Tested versions of Reader: 19.012.20036 – bug 15.006.30499 – bug 17.011.30144 – bug 19.012.20035 – ok 15.006.30482 – ok 17.011.30127 – ok 17.011.30143 – ok Adobe Acrobat Pro 2017, 2017.011.30144 – bug Turn off the enhanced security doesn't solve the problem. Workaround: Call of method xfa.host.response replace with call of method app.response. Thanks, Michal
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