We help IT Professionals succeed at work.

Windows has blocked this software because it can't verify the publisher

Last Modified: 2013-12-08
I have recently installed Windows XP Pro SP2 on a spare PC that I have.  It installed fine, activated, and I have updated it with the all of the latest updates from Microsoft.

Here's the problem. There's a website that I use that displays activeX content.  It's a site that I trust and have used from all my other PC's that also have XP Pro on them.  When I get to the site, and load the page that has the activeX content, I get a Windows warning under the toolbar that states "To help protect your security, Internet Explorer stopped this site from installing an ActiveX control on your computer.  Click here for options..."  I then click and select the option to "Allow ActiveX".  At that point I get a Security Warning dialog box that says "Windows has blocked this software because it can't verify the publisher".  There is an OK button, but no option to accept anyway.  When I click OK, the dialog box disappears, but all I get is the red X where I'm supposed to see the content.

The dialog box only has an OK button, no option to allow the site anyway. When I press ok, the error box disappears and the location on the webpage that is supposed to display the content has nothing but the  red X tha appears when active x content doesn't display.

Here's what I have done so far:

- I've added the site in my Trusted Sites list.

- I've compared all of my settings with my other PC's that have no problem accessing this site.

- I've gone to Tools-Internet Options-Security, and basically allowed for everything that looks like it might allow the content, even to the point where windows security is constantly warning me that my computer is not secure.

There has to be a way to override this. I did a search on this website, but the last string and solution on this subject was back in 2004.  The accepted solution back then was to remove SP2.  I can't beleive that this is still a valid solution.  As I stated, I am running XP Pro SP2 on other machines with no problem.

I've now wasted way too much time on this.

Please help. Thanks.
Watch Question

Hi jetdrive,
try disabling windows firewall if you haven't already (I *presume* you're on a network), and disabling popup blocker



I am on my home network and I have Windows firewall disabled, as I use a PIX for my firewall.  Other PC's running XP Pro SP2 on my home network don't experience this problem.  I already disabled popup blocking on this PC as part of my troubleshooting process.

This one is on us!
(Get your first solution completely free - no credit card required)



I did use the search, and none of the suggested solutions worked.  I had already tried the solution suggested in the link you provided prior to even searching this website - it doesn't fix the problem.

I don't have this problem with any of my other machines running XP Pro SP2.  I have compared my internet options with the machines that do work, and verified line by line that everything matches. Still no luck.

Thanks for the input.


OK - I fixed this thing.  Here's what happened.....

In reading my own response to and235100 above, I decided to once again compare my Internet Options line by line with one of my PC's that was not experiencing this problem.  Looking through the Advanced tab, I noticed that I did not have the latest version of Microsoft Java Virtual Machine installed.  This was most likely due to the fact that this was an older copy of XP that I had on the shelf for quite sometime.  Once I downloaded and installed Java Virtual Machine everything worked.

I am new to this site, so I am not sure what the protocol is for giving out points on a solution that I ended up figuring out on my own.  Technically, since writing my response to and235100 caused me to recheck something that I already did once, I just assume give the points to and235100.  Could someone please advise what the proper procedure for this is.

Thanks for your inputs.
If you do not feel a comment solved your solution - then don't give points to that person!

Request that the question be PAQ'd if you answer the question yourself by opening a 0-point question in the Community Support area. A comment will be posted by a Moderator that the author of the question has requested that the question be PAQ'd, and closed. 4 days later - if there is no objection - the question will be PAQ'd.

I just wanted to add that I was still having the issue even after changing all the options that are in every single forum around the web.  I ended up taking the server out of its SurfControl group and it worked.  So for those of you who are using some kind of web proxy, take that into consideration as well.

Gain unlimited access to on-demand training courses with an Experts Exchange subscription.

Get Access
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Empower Your Career
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE

Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Unlock the solution to this question.
Join our community and discover your potential

Experts Exchange is the only place where you can interact directly with leading experts in the technology field. Become a member today and access the collective knowledge of thousands of technology experts.

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.