Ccleaner broke Windows 10 Pro installation. How to fix this? - Windows 10. I'm pretty sure CCleaner broke Windows 10 ...twice - CCleaner Bug Reporting - Piriform Community Forums. A couple weeks ago my installation of Windows 10 began to suffer from some serious problems.
Most noticeably the Windows store simply would not launch. It happened right after I did a cleanup cycle (uninstalling software I don't use anymore, cleaning temp folders, running CCleaner, etc etc) I did a lot of research and troubleshooting online before I gave up at did a full Windows 10 reset, which set everything right. Last night it broke again and it was immediately after I ran CCleaner. (after updating to the latest portable build 5.12.5431) I did the following CCleaner Functions:
Ccleaner. Windows 10.