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Firefox (84) downloaded an *.mp4 file to Temp. The download folder is set to Desktop, and has been for years. (Yes I checked.)

I could not stop Acrobat Reader from trying, and failing, to open the file. Default program for opening *.mp4 is set to Media Player (Windows Pro 7). (Yes I rebooted after setting.)

Download was from https://www.tribute.co. I had some trouble finding the file in Temp. What went wrong with the download folder and the default opening program? Thanks.

Firefox (84) downloaded an *.mp4 file to Temp. The download folder is set to Desktop, and has been for years. (Yes I checked.) I could not stop Acrobat Reader from trying, and failing, to open the file. Default program for opening *.mp4 is set to Media Player (Windows Pro 7). (Yes I rebooted after setting.) Download was from https://www.tribute.co. I had some trouble finding the file in Temp. What went wrong with the download folder and the default opening program? Thanks.

تمام جوابات (2)

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Firefox should use your Download folder (or let you choose a folder) if you choose "Save" in the Download dialog. If you choose Open, it always uses the Temp folder. But "Save" should not use the Temp folder; that is hard to explain.

Acrobat getting into the action is even stranger. Is it possible that a .pdf extension got onto the MP4 file somehow? To avoid Windows hiding such oddities from you, you can set Windows to always show file extensions. See: https://www.bleepingcomputer.com/tutorials/how-to-show-file-extensions-in-windows/

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jscher2000, Thank you for your answer. There wasn't a download dialogue, just a download button on the tribute.co website. Everything else I've downloaded, for years, has gone to Desktop. A mystery. There was no PDF in that filename anywhere and I revised the default programs list and checked the applications list in Firefox; Acrobat wasn't the default in either. Another mystery. The *.mp4 probably originated on an Apple computer, but that shouldn't have caused this. I guess there are some things we are not meant to know.

I didn't know about www.bleepingcomputer.com but I do now. Thank you.