Run the tool and select or Acrobat to remove all traces of previous versions, including registry keys and residual DLL files like acrosup64.dll . Manually Delete Residual Folders :
Security software may mistakenly flag acrosup64.dll as a threat and block its registration. 💡 Troubleshooting Tips acrosup64.dll is not marked for installation
10–20 minutes using the cleaner tool.
Open Run again, type %appdata% , and delete the folder inside the Roaming directory. Empty your Recycle Bin and restart your PC. Run the tool and select or Acrobat to
The community consensus is that standard uninstalling isn't enough; you must wipe the "ghost" files first. : Download and run the Acrobat Cleaner Tool. Open Run again, type %appdata% , and delete
If the native Windows uninstaller continues to fail with the acrosup64.dll error, use a third-party uninstaller to force-remove the program and wipe leftover registry entries. Download the free version of Revo Uninstaller.