On this page, you will find more information about the most common causes and most relevant solutions for the Adobe Photoshop error '9'. Do you need help straight away? Visit our support page.
The Adobe Systems Inc. documentation indicates that error code '9' is caused by the following problem: "Trying to install the product on an unsupported version of the operating system.".
Do you think there is another cause for this error? Let others know in the comments.
Verify that your operating system is supported. See the system requirements for your product.
Do you still have problems with this error? Try one of the quick fixes below or leave a comment.