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#31
It may be one sided; but it is my opinion based on personal experience working with BSOD's and reading what noted Windows system experts, both MS experts and independent experts have to say. These folks are unanimous regarding Win 7 and registry cleaners.
If you think about it, MS does not release the source code of Win 7 to third parties. Therefore, the creators of registry cleaners are guessing at how Win 7 manages the registry and what keys are valid and what keys are invalid. Also keep in mind that Win7 manages the registry very differently than does XP or even Vista. Certainly, some of the invalid selections are intuitive such as keys relating to uninstalled software. On the other hand, some keys registry cleaners select as not being used are actually tied to other keys that are needed. Deleting these keys can corrupt the registry.
In short, registry cleaners are simply making a best guess. I don't trust my system to the best guesses of third party software. I do use registry cleaners on my XP system - with care and backups. Here are some links you might like to read:
Are registry cleaners necessary?
Back up the registry
Why I don’t use registry cleaners