XnView Software

For what it is worth, I moved the sub folder with the 100 problem files to the desktop, and reprocessed those, went without a hitch. This is certainly a path+filename length issue. If at all possible add an enhancement request to denote such a cause of failure.

I just ran a batch convert of about 19,000 files, and I got a create error on 100 of them.

Example:
D:\Downloads\Conversion\\VTPM2 Block 1 Floor 1 Furnished 20x20[city,town,urban,modular,buildings,houses,village,map,construction,berg,fantasy,medieval,gothic,dark,ages,tile]_result.jpg : create ...