Open the Run dialog box again, type %localappdata% , and press Enter. Delete the folder found inside the Local directory.
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. acrosup64.dll is not marked for installation
Temporary or local configuration files prevent the updater from executing properly. 4 Methods to Resolve the Error 1. Use the Official Adobe Acrobat Cleaner Tool Open the Run dialog box again, type %localappdata%
3. Clear Windows Installer Registry Entries via Revo Uninstaller Download the free version of Revo Uninstaller
Download the full standalone offline installer from the Adobe Acrobat Reader DC Distribution page. Run the new installer. 2. Manually Delete Adobe Folders
The most effective way to solve this issue is to completely remove all traces of Adobe products from your system before trying a clean installation.