Acrosup64.dll Is Not Marked For Installation Instant

The error typically occurs because the Windows Installer service thinks the acrosup64.dll file (a core component for 64-bit Adobe support) already exists in a state that shouldn't be overwritten, or the registry keys from a previous version are "ghosting" the new install. Step 1: Use the Adobe Acrobat Cleaner Tool

Run sfc /scannow in an Admin Command Prompt to ensure your Windows system files aren't corrupted. acrosup64.dll is not marked for installation

Download the official tool from the Adobe Reader and Acrobat Cleaner Tool . The error typically occurs because the Windows Installer