I'm migrating machines. The older one is an i5-4460 running Win 8.1 and Irfanview version 4.51 64 bit. The new one is a AMD Ryzen 2600 6 core processor, running Win 10 v1903 and Irfanview 4.54 64 bit. I have multiple external HDDs, two Buffalo Linkstations, and a WDCloud drive. I have mapped both the Buffalos so they have drive letters.
On the Win8.1 machine, when I go to open a file I get the standard folders, devices and drives, and network locations show up, including the two Buffalos with their drive letters, and I can navigate from them. Going into Thumbnails, the folder tree is pretty much the same, with the multimedia folders missing and none of the network locations that are not mapped - both Buffalos show up and I can access the files through the directory tree as I would expect.
On the Win10 machine I can use the cmd prompt to confirm that the two buffalo drives are mapped with drive letters, and they show up in explorer under network locations as mapped drives, however, they are not visible as mapped drives when I go to file>open, although they are visible as unmapped network locations under Network (and they don't show up in the Thumbnail folder tree).
In the main app, file>open I can navigate through the Network locations and see the folders on the Buffalos, and open a file. Once a file is open I can launch Thumbnails and the network address is shown in the most recently viewed bar.
I have no idea why there is a difference between the two and can't see anything I have done differently. As a comparison, I run Bulk Rename Utility, and installed and set that up before Irfanview. Initially It couldn't see the network drives, which reminded me I had to map them first - the drives are mapped and they can be seen, just not in Irfanview.
Win 8.1 file>open
Win 8.1 Thumbs
Win 10 Command Prompt
Win 10 Explorer
Win 10 file>open
Win 10 Thumbs
On the Win8.1 machine, when I go to open a file I get the standard folders, devices and drives, and network locations show up, including the two Buffalos with their drive letters, and I can navigate from them. Going into Thumbnails, the folder tree is pretty much the same, with the multimedia folders missing and none of the network locations that are not mapped - both Buffalos show up and I can access the files through the directory tree as I would expect.
On the Win10 machine I can use the cmd prompt to confirm that the two buffalo drives are mapped with drive letters, and they show up in explorer under network locations as mapped drives, however, they are not visible as mapped drives when I go to file>open, although they are visible as unmapped network locations under Network (and they don't show up in the Thumbnail folder tree).
In the main app, file>open I can navigate through the Network locations and see the folders on the Buffalos, and open a file. Once a file is open I can launch Thumbnails and the network address is shown in the most recently viewed bar.
I have no idea why there is a difference between the two and can't see anything I have done differently. As a comparison, I run Bulk Rename Utility, and installed and set that up before Irfanview. Initially It couldn't see the network drives, which reminded me I had to map them first - the drives are mapped and they can be seen, just not in Irfanview.
Win 8.1 file>open
Win 8.1 Thumbs
Win 10 Command Prompt
Win 10 Explorer
Win 10 file>open
Win 10 Thumbs
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