Open Run again, type %appdata% (which opens the Roaming folder), and delete the folder there as well.
Instead of downloading the DLL individually, reinstall the complete Adobe Acrobat/Reader package using the official installer.
Understanding why this error happens can help prevent it during future system updates:
The acrosup64.dll file manages 64-bit installer configurations. If the registry claims the file exists but the physical file is missing (or vice versa), the installer aborts with Error 2753. acrosup64.dll is not marked for installation
Standard uninstallation through the Windows Control Panel often leaves cached registry entries intact. Adobe provides a dedicated script to forcefully purge residual data.
By following these principles, you can overcome even the most frustrating errors and get back to work with minimal disruption.
) typically occurs during an Adobe Acrobat or Reader update/installation when leftover files from a previous version conflict with the new installer. Key Findings & Review Root Cause Open Run again, type %appdata% (which opens the
The Windows Installer may not have sufficient rights to write to the C:\Program Files directory.
Warning: Modifying the Windows Registry incorrectly can destabilize your operating system. Back up your registry before proceeding.
In extreme cases, a (keeping your files) or a clean OS reinstall may be necessary—though very rare for this specific error. If the registry claims the file exists but
Press Win + R again, type %appdata% (to open the Roaming directory), and delete the corresponding Adobe folders there as well. Empty your Recycle Bin. 3. Wipe Broken Product Guids from the Registry
Type %localappdata% and press Enter to open C:\Users\ \AppData\Local . Locate the folder, right-click it, and select Delete .
If you clear files but still get Error 2753, Windows is reading a ghost registry identity. Back up your registry before proceeding with this manual method. Press Win + R , type regedit , and hit Enter. Paste the following path into the registry address bar: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\ Use code with caution.
Using the raw MSI package bypasses the faulty executable setup wrapper.