When you get this error message in CC desktop client at sign in, remove folder OOBE and content of folders SLStore and SLCache. 1. On Mac use Activity Monitor, on Windows Task Manager and terminate all Adobe and CC processes (CoreSync, Creative Cloud, CC Library, Adobe Desktop Service etc.) 2. Then delete folder OOBE Windows C:\Users\[your username]\AppData\Local\Adobe\OOBE Macintosh Macintosh HD/Users/[your username]/Library/Application Support/Adobe/OOBE 3. Delete whole content (files and folders) in folders Windows C:\Program files (x86)\Common Files\Adobe\SLCache C:\ProgramData\Adobe\SLStore Mac Macintosh HD/Library/Application Support/Adobe/SLCache Macintosh HD/Library/Application Support/Adobe/SLStore 4. Launch Creative Cloud client and sign in.
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