From: winstonmvp@gmail.com   
      
   VanguardLH wrote on 1/29/2026 8:43 PM:   
   > sticks  wrote:   
   >   
   >> VanguardLH wrote:   
   >>   
   >>> sticks  wrote:   
   >>>   
   >>>> Not important I guess, but I found this interesting.   
   >>>> I decided to install acrobat reader and downloaded the installation file   
   >>>> from their website.  Did the install and once finished I went to the   
   >>>> downloads directory to remove the install file and it was gone.  I guess   
   >>>> the installation now removes the files there too.  I have not seen this   
   >>>> behavior before.   
   >>>   
   >>> That was likely a web installer, not a standalone/offline installer.   
   >>   
   >> I know that, but I've still not seen anything else delete that file.   
   >> Have you?   
   >   
   > It has been a long time since I installed Adobe Reader, but I recall the   
   > web installer file disappeared after the installation completed.  That's   
   > why in my Download folder where I store downloads, I had both a URL   
   > shortcut to the download page, and the web installer there, but would   
   > copy the web installer file somewhere else when I did an install, or I   
   > made a copy, and ran the copy, so the original would get left behind.   
   >   
   > Maybe they figure after installation thereafter you'd rely on the   
   > auto-updater in the program to get newer versions.   
   >   
      
   Or   
     When the uni installer file is run, it grabs the balance of files for   
   installation from Adobe's web site, copies the required installation   
   files to another location for installation, once installation is complete   
   the original uni installer file is removed/deleted.   
      
   Other possibilities, but I suspect a quite rare occurence...AV/AM   
   software sees the web installer as an intrusion and deletes(it)   
      
   Once Adobe is installed, and depending upon the version installed, one   
   might look for the setup.exe file in Windows   
   - e.g. of one possible location   
        
     or similar {16 hex digit grouping 4-2-2-2-8} folder.   
      
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