PS Update 12/20/2020

[#1]

I just updated to the latested.  Now, the statement "Could not complete your request because of a program error."  My previous photos/file will not open.  I wanted to try to re-install the new update but I can't seem to find that option.

[#2]

I just updated to the latested.  Now, the statement "Could not complete your request because of a program error."  My previous photos/file will not open.  I wanted to try to re-install the new update but I can't seem to find that option.

[#3]

See if the steps in the article below help:

https://helpx.adobe.com/photoshop/kb/known-issues.html#ProgramErroropeningfiles

Dave