I have a little question about malware, registry, and internet. By the way I’m using Vista, but if u give suggestion for xp too, it would be great. ^^

1. How can I lock my registry so that programs (especially malwares) cannot write a value there without my permission?

2. If I backed up my clean registry, and restore it when my computer infected by a malware, can it render the malware unfunctionable?

3. Which key inside the registry that mostly infected by malware?

4. How can a malware starts up automaticly other than write a value to "HKLM/…/Windows/CurrentVersion/Run"?

5. If I use the limited account, does it prevent the malware to write the value into the registry? How?

6. Can I infected by malware by just browsing the internet? How can I prevent it?

7. I’ve heard that a malware is infecting through media player classic and video codec. is it true? How can i prevent it?

Thank you so much. I’m sorry for my messy english. LOL.
For DAVID:

5. Why a malware able to infect my computer then? I haven’t recieved any notification about my registry. Is it possible that a virus doesn’t write or modify a value on a registry?

6. If I am not download anything, how the malware infect me? (this is the part i have been very curious since a long long time ago. LOL)

7. Is antivirus that reliable? Why mine never works? It’s always bypassed.

btw i used AVG Free and MCAFEE Comercial. Is kaspersky FREE good? What’s the diffrence between the comercial one?

Once again, thank you so much. ^^

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