Hello again @Dr JT 1776 ,
You do not need to check any icons of programs to access an .msi file or for use with the Creative Cloud Cleaner for troubleshooting in this case.
The CC Cleaner tool will be useful if your version of Acrobat was installed through the Creative Cloud application. However, from your earlier response, it seems that this is not the situation. Otherwise, the corresponding version that you are trying to remove it would have been listed.
Sometimes, this might also indicate that an older version of Acrobat Reader could've been installed before. And since Adobe Acrobat Pro DC and Acrobat Reader share many resources, file paths, and file names, the message saying "Newer Version already installed" comes from a file called "AcrobatMenuCoreApp.msix", which is found in the 64-Bit Programs folder (or directory) => C:\Program Files\Adobe\Acrobat DC\Acrobat
That file could belong to both Reader or Acrobat programs (but I am not 100% sure). Therefore, the "AcroPro.msi" file that installed the conflicting older version is still somewhere on your system.
Also, keep in mind that any .msp files (which may also exist due to software patches, updates, or fixes), that were previously installed by an earlier Microsoft Installer (.msi) package of Acrobat Pro are also present in other folders of your system.
And some other .exe files are hidden in other directories, such as the "Adobe Reader and Acrobat Manager" (AdobeARM.exe) and the AdobeARMHelper.exe files.
As you'll notice, they both reside in a Windows 32-Bit directory: "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\Cache", while this executable AdobeGCClient.exe (Adobe Genuine Software Client, which checks for genuine licensed versions of Acrobat),
also resides in this 32-Bit folder "C:\Program Files (x86)\Common Files\Adobe\AdobeGCClient". They all can be conflictive as well depending on many other factors as you've been trying to remove and force installing software simultaneously.
You may or may not have to manually delete those.
But anyway, let's go back one step again. To verify if we can locate AcroPro.msi, check for the Setup Files directory at: "C:\Program Files\Common Files\Adobe\Acrobat\Setup Files". In that directory, you should find a folder named after a registry key enclosed in curly braces "{ }".
It should resemble something like this, for example:
{AF82DC59-2288-DDDD-9940-AD32628GE711}
Once you are there, please follow these steps:
1. Double click on that registry key folder to open, and you will see the AcroPro.msi file there. I would also suggest that you copy this key in notepad and save it for an additional step after you remove this file manually.
- NOTE: If you had other versions of Acrobat installed before, it is likely to observe more than one registry keys listed in the "C:\Program Files\Common Files\Adobe\Acrobat\Setup folder".
2. If there are multiple registry keys present, check each one individually by right-clicking on the AcroPro.msi contained on those registry keys => select Properties from the context menu and compare which one has the oldest creation date(s). If so, you may want to run the oldest one.
3. Running the older AcroPro.msi will launch the maintenance wizard I mentioned in my previous message. Follow the prompts and choose "Remove". After this process is finished, do not restart your computer just yet. Make sure to complete the next step.
4. Open the registry editor, click Edit => Find => Find What => and paste the registry key in the blank provided on that dialog box. Look for that same key you saved in notepad in the registry. Once you find it in the registry, manually delete this key as well. This will stop the registry from recreating the AcroPro.msi entry again on the next reboot (the file that you just deleted from C:\Program Files\Common Files\Adobe\Acrobat\Setup Files).
5. Close all registry hives and exit the registry editor. You will need to restart your computer at this point.
6. After your computer restarts, check if you can install the newer version of Acrobat.
It is worth noting, that before you commit to a restart, you may also want to go ahead and delete everything in the following hidden folder:
C:\Users\"your current user account name"\AppData\Local\Temp
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