I think it is not so simple.
It may be safe to make a System Restore Point.
I have used registry cleaner before.
Beware that some registry cleaners offer you a chance to "back up" before any deletion is made.
But they did not tell you that they only back up the specific keys.
Not the whole registry.
Now presuming your system crashed after the registry key deletion and you are unable to boot your PC.
Tell me how are you going to be able to use the "backed up copies of specific keys" to cure your PC.
The biggest problem is you do not even know know the locations of the specific keys within the registry.
150 keys may have been deleted and they are ALL OVER the place.
You have no idea where to reinstate the keys.

ricohflex  –  2 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+17)

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Before deleting anything do you make a 'Restoration Point', in case there is a problem and the Registry needs restoring?.

Mike  –  2 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+2)

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Mr Patrick McDonald,

I am certain he knows about the need to make backup, before tampering with the registry, hence his question.

What he asked was: Does this program create restore points AUTOMATICALLY (by default), before it starts tweaking the registry?

And do you speak for the author of the program or you speak for yourself?
Thank you.

Mr Patrick McDonald, I am certain he knows about the need to make backup, before tampering with the registry, hence his question. What he asked was: Does this program create restore points AUTOMATICALLY (by default), before it starts tweaking the registry? And do you speak for the author of the program or you speak for yourself? Thank you.
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Dan  –  2 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+13)

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