XPost: misc.phone.mobile.iphone, rec.photo.digital   
   From: winstonmvp@gmail.com   
      
   On 2/21/2026 12:02 PM, Maria Sophia wrote:   
   > ...w�񧱤� wrote:   
   >> It's really simple, one only needs Window 10/11 in an untampered   
   >> install and Irfanview with default settings and no other software to   
   >> play iPhone/iPad 'Most compatible' created MOV and Live Photo Files.   
   >>   
   >> Hint: It's not Irfanview why it works.   
   >   
   > Thanks Winston. For the benefit of others following along in the Windows,   
   > iOS, and digital photography groups, I want to summarize the situation   
   > without getting pulled into personalities.   
   >   
   > There is no "riddle" here. The difference in behavior between your system   
   > and mine comes down to configuration history.   
   >   
   > IrfanView preserves its settings across upgrades. On my system, the   
   > QuickTime option had been enabled years ago when QuickTime for Windows   
   > was still common. Once that option is enabled, IrfanView will continue   
   > to try to load QUICKTIME.DLL even if the DLL is no longer present. That   
   > is exactly what happened: IrfanView attempted to load QuickTime first,   
   > failed immediately, and never fell back to DirectShow.   
   >   
   > Disabling the QuickTime option resolved the issue instantly.   
   >   
   > Your system did not have that option enabled, so IrfanView used   
   > DirectShow from the start. That explains the difference in behavior.   
      
     Which indicates your whole problem with MOV and Live Photos is/was   
   user induced.   
   >   
   > Regarding iTunes: installing iTunes does not install the old QuickTime   
   > Player, but it does install Apple Application Support (32-bit and   
   > 64-bit), Apple Mobile Device Support, CoreMedia components, ImageIO, and   
   > other Apple-originated media libraries. These do not replace DirectShow,   
   > but they do participate in how Windows parses MOV containers, Live Photo   
   > paired assets, and certain HEVC/H.264 combinations. Their presence means   
   > your system is not identical to a stock Windows installation.   
      
   Itunes presence or lack of is not significant. It's presence' changes   
   nothing relative to an untampered Win10/11 and Irfanview default install.   
   >   
   > None of this is controversial. It simply explains why two different   
   > systems, with different histories and different installed components,   
   > behaved differently.   
      
   As noted earlier, it works for Most Compatible iPhone/iPad on MOV and   
   Live Photos straight out the box on Windows 10//11 with Irfanview   
   default settings.   
     - no other software and has since 2015 (Win10 oobe) with Irfanview   
   2015 era releases subsequent to Win10 RTM editions.   
      
   In fact, it(MOV and Live Photos) will also work on earlier o/s(Win 8x   
   and Win7) when Photo Gallery and its included Movie Maker(2012 Windows   
   Essentials) was also installed.   
      
      
   > Posting this summary for the benefit of others who may encounter the   
   > same issue on systems with older IrfanView configurations or without   
   > Apple media components installed.   
      
   If others encounter, the same on Wi10/11, the first rule of diagnosis   
   would be what did they change(uninstall, hack, tamper) in Window and   
   what did they change in Irfanview.   
      
      
      
      
      
      
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