delfire32 , we can download the adobe cleaner tools from the below link
1 : please choose the language as english
2 : please press "Y" when prompts.
3 : Please choose the option 3 and then option 1. If we find Lightroom 5 as an option we can remove that as well .
Post this we need to rename the "OOBE" folder from the following location to "OOBE.old"
C:\Program Files(x86)\Common Files\Adobe\OOBE
Please login to creative.adobe.com -----> download center----> download creative cloud desktop. We can try installing lightroom post that.
Hope that helps.