Outlook 2007 not opening hyperlinks: An error occured in sending the command to the application

I am attempting to fix a problem for a user where Outlook 2007 is giving an error when opening hyperlinks.

General Failure. The URL was "http://someurl". An error occurred in sending the command to the application.

It has been verified that IE is set as the default browser, it is also set to be associated with HTTP urls.

Repair install of outlook and antivirus software did not fix the issue.

Who is Participating?
jspazianoConnect With a Mentor ctoAuthor Commented:
It turned out that this is being caused by AOL 9.5

Over time, the application causes the time to open hyperlinks to increase to the point where eventually it takes 40+ seconds for a hyperlink to open and then it gives the error noted above.

If you run a script to kill all AOL related processes, the problem goes away.

AOL is not set to be the default browser, however it seems that it's clearly doing something fishy in the background when it comes to HTTP links.

Hello jspaziano,

1. You may need to register some dll files
1. Quit all programs that are running.
2. Click Start, and then click Run.
3. Type regsvr32 urlmon.dll, and then click OK.
4. When you receive the "DllRegisterServer in urlmon.dll succeeded" message, click OK.

If using Vista and you get an error, run regsvr32.exe from an elevated command prompt. To get an elevated command prompt, right-click on the "Command Prompt" shortcut and select "Run as Administrator".

If this does not resolve the problem, repeat steps 2 through 4 for each of the following files (in step 3, replace Urlmon.dll with each of the file names below):


Run this script if using IE6

2. If no joy, try this fix here

3. If no joy, run this Links Diagnostics

Hope this helps!
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