Search your email for your original purchase receipt from Photodex.
Photodex, the creator of ProShow Producer, . Because the company no longer exists, their official activation servers are offline. This means even users with legitimate, previously purchased licenses often struggle to activate the software on new computers, as the program can no longer "phone home" to verify the key. Why "Registration Key Fixes" Are Risky proshow producer 903797 registration key fix
If you already own a legal license, users in the community have reported these steps may sometimes force a re-activation: Search your email for your original purchase receipt
Some third-party tools or services claim to offer registration key fixes for ProShow Producer. However, be cautious when using these services, as they may not be authorized by Photodex and could potentially harm your computer or compromise your data. This means even users with legitimate, previously purchased