A bizarre but confirmed cause: If you have WSL2 with Ubuntu installed, the /proc file system can confuse the Adobe x64 installer. Temporarily disable WSL via dism /online /disable-feature /featurename:Microsoft-Windows-Subsystem-Linux before running the patched installer.
Before diving into the V3001 fix, it is crucial to understand why Adobe released a 64-bit version and why it has been historically difficult to install.
Manual Update: If the automatic update isn't possible or if you're looking for a more controlled approach: patched adobe reader x64 fixes v3001 install
Uninstall the Old Version (If Necessary):
Install the Latest Version:
Verify the Update:
If the x64 base was already installed, v3001 is deployed via an MSP file (Microsoft Patch). A bizarre but confirmed cause: If you have
Prerequisite: You must have the base x64 Reader installed (e.g., v22.x or early v23.x).