It is unclear exactly what
28882889 refers to without seeing where it appears on your screen.
However, since you mentioned "after re activate", this is likely one of two things:
1. The Computer ID / Hardware ID
If the activation tool is showing you this number, it means your
Hardware ID has changed.
This happens if you changed the Virtual Machine settings (e.g., increased RAM, changed CPU cores, or modified the Network Adapter MAC address) after the first activation.
- If you changed VM settings: Change them back to exactly how they were when it worked.
- If you cannot remember the settings: You must generate a new liсеnsе file for this new ID (28882889) using the same method you used the first time (via the forum/uploader).
2. The User ID at the Login Screen
If PTT starts up and asks for a password for User ID
28882889: