原来是2227补丁的bug,删除下面的注册表值就好了
for us deleteing the following registry keys fixed the issue:
"HKLM:\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AcroCEF.exe",
"HKLM:\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RdrCEF.exe"
https://community.adobe.com/t5/acrobat-discussions/acrocef-exe-rdrcef-exe-errors-with-acrobat-reader-32-bit-on-latest-update/td-p/14358980