To remove "tails" from old serial numbers, in the registry in the branch HKEY_CURRENT_USER\Software\Smart Projects\IsoBuster delete:
1) All entries starting with ID: ID, ID51, ID52, etc.
2) Entries FF5 and RML5 and RMLD5

Block app with firewall!

email: [email protected]
regid: G772853051PBPQPP
key: ZZZJH000-001KHJT9-HM4AB0EA-TWY00S00-Y4000000-X1PE6000-Z0Z02098