Each time I open CCleaner I am being invited to update the program. However, as I complete the download of the "Update" and try to install it, I discover that the "new" version is the same version that I have already. How can I stop the alerts to "update" to CCleaner 418 when I have it already?
CCleaner - Options - Settings untick 'automatically check for updates to ccleaner'.
Also you could turn off monitoring...
Open CCleaner, then click Options > Monitoring
Disable System Monitoring by unticking the box next to "Enable System Monitoring"
Disable Active Monitoring by unticking the box next to "Enable Active Monitoring", and click Yes when the confirmation box appears