ERROR CODE 7 ?!

hi Adobe-Community,

i want to test Premier pro CC 2015 but everytime this Error Code is coming. What is this?

Exit Code: 7

Please see specific errors below for troubleshooting. For example, ERROR: DF006, DF016 ...

-------------------------------------- Summary --------------------------------------

- 0 fatal error(s), 3 error(s)

----------- Payload: Adobe Premiere Pro CC 2015 9.0.0.0 {38C72D42-0672-43B1-9E05-E7631684F9A1} -----------

ERROR: DF006: The path "C:\Program Files\Adobe" already exists and is not a directory, Please rename or delete and retry(Seq 33)

ERROR: DF016: Unable to create directory "C:\Program Files\Adobe\Common". Error 3 Das System kann den angegebenen Pfad nicht finden.. Try setting correct permissions to the specified file/folder or parent folder, so that admin has rights to modify it.(Seq 33)

ERROR: DF006: The path "C:\Program Files\Adobe" already exists and is not a directory, cannot create path "C:\Program Files\Adobe\Common", Please rename/delete "C:\Program Files\Adobe" and retry(Seq 33)

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