The Error writing temporary file, Make sure your temp folder is valid indicates that Windows cannot read or write inside the temp folder. So there are a couple of ...

If when you boot your Windows 11 or Windows 10 computer, or when you try to run an executable to install a particular program on your device, you receive the error ...

Update: It didn't work. I am currently deleting most of the older files in my temp folder, which amounts to roughly 220 gigs. Also, I'm a little pissed that this is shortening the lifespan of my SSD, ...