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I'm running Windows XP SP3, and I'm trying to install either Coffee Cup HTML Editor, or HTML-Kit. Double-clicking either setup file produces no installer GUI. They both in appear in Task Manager but do nothing else. I have more than 30GB of free space on C:

To other annoying things are: MS Paint will not close, and after Computer Management loads it freezes. I can't end mmc.exe either.

When I open Services.msc, I receive the error:

One or more ActiveX controls could not be displayed because either:

1) Your current security settings prohibit running ActiveX controls on this page, or 2) You have blocked a publisher of one of the controls.

As a result, the page might not display correctly.

I can't close Services either. I wanted to restart Windows Installer.

Avast Antivirus control centre freezes after opening also.

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Have you tried rebooting? (Serious suggestion.) – grawity Apr 10 '11 at 13:17
up vote 2 down vote accepted

Surprise, rebooting fixed it. I've only been using Windows for 17 years.

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+1, That is the first thing to do in Windows, it cures so many problems, I had to reboot systems twice many times to get it to resolve a problem. – Moab Apr 10 '11 at 15:34

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