With the latest CCleaner V 5.77.8448 (64-bit version) see the attached file.
To the technical department SpeechRuntime in register_27-02-2021.docx
With the latest CCleaner V 5.77.8448 (64-bit version) see the attached file.
To the technical department SpeechRuntime in register_27-02-2021.docx
That particular SpeechRuntime registry entry is part of the upcoming Windows 10 update to 21H1, components of which are already downloaded onto most machines with 20H1/20H2.
If you clear it then Windows will simply put it back again.
See this for more details, note especially the reply from Dave CCleaner about the future of CCleaners Registry Cleaner:
If you still insist on using the Reg Cleaner after reading that, then if you right click on that entry and 'Add to Exclude list' it will be ignored from then on.