photoshop elements ten

Moved to the Photoshop Elements forum, from the Photoshop forum.

You don't have written nothing about your environment, which operating system do you use and son on.

It's make is very hard to try to help, but take a look to the following links.

https://helpx.adobe.com/photoshop-elements/kb/error-400-logging-photoshopcom-services.html

https://www.errorvault.com/en/troubleshooting/runtime-errors/adobe-systems-inc/adobe-photoshop-elements/error-400_photoshop-com-services-are-currently-unavailable#:~:text=About%20Runtime%20Error%20400,work%20during%20its%20run%2Dtime.

https://community.adobe.com/t5/photoshop-elements/error-message-400-when-attempting-login/td-p/9903779?page=1