This may have been a temporary glitch, but yesterday I opened File Explorer to get a PDF file I had stored away. I found the file, but the Adobe logo that normally appears next to it (I used the Details view) was missing, replaced by a blank white rectangle, and when I double-clicked the filename, nothing happened. I had been viewing PDF files earlier in the day without problems, but suddenly, it wouldn't work.

I rebooted the machine and the file type was set right, but I have a feeling I haven't seen the last of this problem. I didn't look specifically for the problem with other apps, but I have a mix of PDF and other types in the root Documents folder, and it seems to me that all the other files in that view were missing app logos, as well.

Has anyone else seen this?