cannot install XSK - files marked for deletion

[TobyFish]

Installing Tamino XSK 4.2.1.1. Have license file but setup fails. After ewxtracting archive to hard drive and opneing setup.exe I get this…

Warning: Some files are marked to be renamed or deleted at the next restart of your computer. Since deleting files after restarting your computer can influence this istallation, Setup will stop now! Please start Tamino 4.2.1.1 Setup again after you have restarted your computer

However - after re-start, the same error occurs help!
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