Registry Assist Removal (Help)

Using latest v4.05 CCleaner. Just wondering if any tech savvy or rather registry savvy people could help me with a few registry files I'm looking to clean out. I've already taken the pre-caution to backup the registry before fixing these issues but I would like to know more of these entries if anyone can provide them.

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I believe the CTXFISpi.etc is related to Creative Xfi driver, Download.SwInstaller related to Shockwave Player? Though I am not sure with these CA3-4/CNE.event

When it comes to removing registry "errors" we aren't going to be much help in that regard. A recent post that sums it up is this.

Ah, alright then Andavari. Thanks for the info no less.