I read the system requirement on its official site. It said Panda Anti-Rootkit is just for Windows 2000 ServicePack 4 and Windows XP or later. It would be better if BetaNews could check it first...
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I run it just alright.
Maybe you should uninstall it and reinstall it.
Besides, be sure you run it after you intall iTunes and .Net Framework 2.0.
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