System is Win10Home 64bit, Irfanview 4.50 32bit
click on File - Select Scan / TWAIN Source ...
... no TWAIN source found
Irfanview 4.44 32bit works on this same system
click on File - Select Scan / TWAIN Source ...
... no TWAIN source found
Irfanview 4.44 32bit works on this same system
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