That's interesting! Care to share the input folder's contents? It should basically look like the one in the repository. I think it might be any of these:

1. You didn't actually double click to enter the input folder before selecting OK

2. The input folder cannot be read from (Is it on the same drive?).

3. The output folder cannot be written to.



Try running the program with java -jar ScreenshotTool.jar

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