Hi @Ray Spengler Can you please (if applicable) terminate all of the running processes associated with the CCleaner Browser via the Windows Task Manager, then see if it can be uninstalled? Additionally, can you please see if it can be uninstalled using the following steps? In Windows, navigate to: C:\Program Files (x86)\CCleaner Browser Right-click the "CCleanerBrowserUninstall.exe" file > click "Run as Administrator" Otherwise, can you please ensure that CCleaner Brows