Antivirus programs utilize heuristic scanning to block files that attempt to write directly to Windows system registry roots. Open your antivirus or Windows Security dashboard.
The most effective way to resolve installer database conflicts is to remove the corrupted installation entirely and start fresh. Standard uninstallation often leaves behind the registry keys causing the error. Adobe provides a dedicated tool for this.
C:\Users\%userprofile%\AppData\Local C:\Users\%userprofile%\AppData\LocalLow C:\Users\%userprofile%\AppData\Roaming
In short:
You cannot delete the old file normally. You need to take ownership.
user wants a long article about the error "acrosup64.dll is not marked for installation". This seems related to Acronis software or possibly Corel Draw. I need to provide a comprehensive guide covering causes and solutions. I will follow the search plan as outlined. search results show the error is related to Adobe Acrobat/Reader and occurs during installation/uninstallation. The error code 2753 and the "not marked for installation" message indicate a Windows Installer issue. I need to gather detailed troubleshooting steps from the Adobe community posts and other sources. I'll open the relevant results. information gathered provides a good foundation. I'll also need to cover downloading the DLL and other potential causes. I'll search for more specific troubleshooting steps. search results provide a good basis for the article. I'll structure it with an introduction explaining the error and its causes, followed by detailed solutions: standard repairs like using the Adobe Cleaner Tool, advanced manual uninstallation, system-level fixes, administrative and security considerations, and registry checks. I'll also cover downloading the DLL, reinstalling Visual C++ Redistributables, and other potential solutions like re-registering the DLL, using system restore, and checking for malware. I'll cite the sources appropriately. The File 'acrosup64.dll' is Not Marked for Installation: Complete Troubleshooting Guide
First, let's demystify the name. acrosup64.dll is almost always associated with , specifically their CutePDF Writer or older versions of PrimoPDF . However, due to aggressive DLL packaging, it is often bundled into the installers of third-party OEM tools (Lenovo Vantage, Dell SupportAssist, or old HP printer suites). acrosup64.dll is not marked for installation
Close the editor and proceed to attempt a clean installation. Reinstalling Adobe Safely After the Fix
The error message typically halts Adobe Acrobat or Reader installations. It usually points to a conflict during a software update or patch deployment. Understanding why this happens and how to resolve it ensures a smooth installation process. What Causes This Error?
The error is a critical Windows Installer conflict that completely blocks users from installing, updating, or uninstalling Adobe Acrobat or Adobe Acrobat Reader. This error triggers when the Windows Installer database (MSI) detects cached, corrupt, or leftover registry data from a previous 64-bit Adobe installation. Because the installer believes a newer version of the acrosup64.dll file already exists on the system, it refuses to overwrite or handle the file, grinding the deployment process to a halt. Antivirus programs utilize heuristic scanning to block files
Right-click the downloaded file and select . Follow the on-screen prompts to select Acrobat or Reader . Choose the option to remove all traces. Restart your computer. 2. Perform a Fresh, Full Installation
Download the official from the Adobe website. Run the executable file and accept the license agreement. Select your product type (Acrobat or Adobe Reader).
This issue typically stems from one of the following root causes: You need to take ownership
Frustrated and running out of time, John turned to his trusty search engine to find a solution. He typed in the error message, along with his version of Windows and Adobe Photoshop, hoping to find someone who had encountered the same issue.
The installation log contains the entry: acrosup64.dll is not marked for installation. The file acrosup64.dll is missing from the installed directory (e.g., C:\Program Files\Adobe\Acrobat DC\Acrobat\ ), and certain PDF operations (e.g., accessibility or save-as functions) fail.