Steps to reproduce:

1. download and install latest Adobe reader 64 bit
2. open a document in Adobe Reader

Actual behavior:

NVDA plays multiple error tones, and Adobe reader exits with no visible error. The following appears in log
ERROR - RPC process 10084 (Acrobat.exe) (14:56:39.824) - Dummy-1229 (4232):
Thread 8124, build\x86_64\remote\COMProxyRegistration.cpp, registerCOMProxy, 182:
Unable to register interface IAccessibleHyperlink with proxy stub IAccessible2Proxy.dll, code -2147023156

Expected behavior:

Adobe reader does not exit and NVDA reads document.

System configuration

NVDA installed/portable/running from source:

installed

NVDA version:

alpha-23897,7bd9e8b1

Windows version:

windows 10 21h1

Name and version of other software in use when reproducing the issue:

Adobe reader DC

Other information about your system:

Other questions

Does the issue still occur after restarting your computer?

yes

Have you tried any other versions of NVDA? If so, please report their behaviors.

If NVDA add-ons are disabled, is your problem still occurring?

yes

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

yes