Based on our record, WinDirStat seems to be a lot more popular than CleanMyPC. While we know about 332 links to WinDirStat, we've tracked only 2 mentions of CleanMyPC. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The CleanMyPC app scrubs the relevant registry when it uninstalls other apps. But your prescribed step 3 (scanning registry for "waterfox" after uninstallation & restart) did yield an escaped entry with "waterfox" in the entry (path/address), so I deleted it before restarting and installing. Source: about 2 years ago
CleanMyPC (to note that they are no longer maintaining nor updating this app). - Source: dev.to / over 2 years ago
Something that helps me is If you want to reformat, Winderstat scans your drive and shows you the size of every folder, plus a visual representation so you see whats taking up more space exactly. Source: 8 months ago
Not xcom specific advice, but this tool is pretty nifty: https://windirstat.net/. Source: 10 months ago
Just install https://windirstat.net and search for a big clusters of files. Source: 10 months ago
There's a utility called WinDirStat that can visualize the storage on your drive to make tracking down large files easier. Source: 10 months ago
Delete some things to get a bit of space, then download windirstat. This application scans your drive and provides a nice way to see your whole drive and what's taking up the most space. You can manually click on each colored area and delete entire directories instead of trying to hunt down whats taking up space. Source: 10 months ago
Avast Cleanup - Next generation tuneup and cleanup for your PC
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Wise Disk Cleaner - Clean junks of Browsers, remove junk and useless files of Windows and Defragment your disk. Wise Disk Cleaner can delete these unnecessary files on your hard disk to free up disk space and make your computer run faster.
TreeSize - TreeSize tells you where precious disk space has gone to.
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.