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Error opening the file <xxxxxxx.cal>

Posted: Thu Jan 08, 2026 3:15 pm
by paulie219
Having issues with my computer not being able to open *.cal files. It opens all other file formats fine. Version 2.52.2. Tried deleting the .ini file, but still has issues.

If it is any help, I installed XnView MP and it can view the files fine.

Friends of mine can open the same files fine. Is there a registry clean, or computer clean registry file to wipe out anything on my machine? Win11,