Save Crashing.

[[Unknown]]

Assuming you have sufficient free disk space, this seems odd. It could be interaction with some real-time file monitoring - such as antivirus or backup software. You could try temporarily adding the save directory to your software's whitelist to see if it helps.

You could also try playing PPSSPP with the PPSSPPWindows.exe and memstick/ directories on a USB stick. It's possible that this could avoid crashing if it has something to do with your disk or software monitoring writes to it.

If you save and it works, can you save over and over and it'll still work for a little while? That is, are the random intervals that cause saving to fail random "windows of time", or is it that saving has some random % chance of crashing?

In games that auto-save, does it still crash? Is the crashing limited to games where you initiate the save and pick a save slot? Does it crash before you pick the slot, or only ever after you've selected a slot?

If you attempt to save over an existing save, and it crashes, what happens? Is it still the old (last working) save? Or did it manage to save before crashing? Or is it now a broken save that can't be used?

Does it ever crash when loading a save, randomly? I'm assuming it's only when creating a save, but I realize you may not load often since saving doesn't work for you.

-[Unknown]