MPhotoshop isn't installing

Try downloading the Adobe Cleaner and run it.  Also, check your OS for corruption and scan your system for viruses.

Once everything is safe and positive, you can try installing the Photoshop application from the photoshop installer.

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

Please be exact. What is the full message and exact name? You can post a screen shot if you prefer not to type it all out.