Thank you for posting your query here.
Please Open Windows Task Manager (if you are using a Windows PC) or Mac Activity Monitor (for a Mac) and close all Adobe processes like Creative Cloud, CLibrary, CCXProcess, Adobe Update Service, Adobe Genuine Software Service, Adobe Acrobat Update Service, AcroTray etc.
Please download the Uninstaller tool for Creative Cloud App from the following link on the affected computer: https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html
Please Open the web link : https://helpx.adobe.com/in/download-install/kb/creative-cloud-desktop-app-download.html
And scroll down to the Section "Problems installing? Try alternative download links "
And please Click on :"Windows | Alternative downloads"
There you will see the Option for "Windows 10 (64-bit)" Please click on "Download" and try using the Creative Cloud App.
Please let us know if that helps.
Thank you.