Photoshop CS5 crashing after Photoshop cloud install

Also, As soon as you install any part of the Cloud, even a trial, it replaces your program management system
-if you plan to keep using CS6 (or earlier) you should NOT install a Cloud program, not even a trial
-Read Cloud takes over https://community.adobe.com/t5/Get-Started/Get-off-the-cloud/td-p/8075485 for some ideas

Did you use the Cleaner Tool?

https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html

When you ask a question you need to provide some basic information
-Forum quick start https://community.adobe.com/t5/Community-Help/ASK-Forum-Success-Guide-Efficiently-using-the-forums/td-p/4791542
-https://community.adobe.com/t5/Get-Started/Questions-you-need-to-answer-to-receive-better-help/td-p/6199470
-https://community.adobe.com/t5/get-started/how-to-post-and-get-your-issue-resolved-or-what-do-you-need-to-know-to-solve-my-issue/td-p/11178657?page=1