Re-load Adobe Photoshop
after removing problems caused ransom ware attack, re-loaded adobe photoshop elements 6. sign in not accept serial number on disc. next when ask question need provide basic information -forum quick start https://forums.adobe.com/docs/doc-5601 mac or windows, , version of operating system? recent mac , windows operating systems have been known cause "odd" problems are using computer administrator account full read/write permission? invalid license http://helpx.adobe.com/creative-suite/kb/error-serial-number-valid-product.html -and more in http://helpx.adobe.com/creative-suite/kb/invalid-serial-number-cs4.html More discussions in Downloading, Installing, Setting Up adobe