You could try temporarily turning your antivirus off.
Some people have said using those steps and downloading another zip utility
still works, even if they didn't already have one.
"Ray Rogers" wrote in message
news

3455E68-789C-4126-BED9-...
> Clean install.
>
> "KristleBawl" wrote in message ...
>> Q: Is this a clean install or upgrade?
>>
>> "Ray Rogers" wrote in message ...
>>> Thanks KB but I'm just using the default Vista Zip program, from what I
>>> read that addresses the issue when another Zip program is installed.
>>>
>>> "KristleBawl" wrote in message ...
>>>> How do I turn off Compressed Folders (built-in support for ZIP files)
>>>> in Windows Vista and XP?
>>>> http://www.annoyances.org/exec/show/article03-202