Adobe has a support site for the Photoshop Family of products. Adobe tech support is historically poor feedback from Adobe in minimal and many bugs go unfixed release after release. Major Problems are the only bugs that seem to be addressed. Photoshop is quite stable and should run. If installed and updated on a system that meets Photoshop requirements and has the latest OS fixes and good GPU device drivers for you display adapter. Adobe support site Photoshop Family Customer Community
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New versions of Photoshop have an autosave feature that tries to recover documents you were working on when Photoshop experiences a crash. This may be part of what you are seeing. Photoshop will open .PSB documents created by its autosave feature.