When I try to launch Firefox I get the message, "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator". The only way I can launch the browser is to re-install it every time.

I cannot find any obvious restrictions on the computer. In the Control Panel under Set Program Access and Defaults, Enable Access to This Program is checked.

See http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310049 You receive an error message when you click a hyperlink in Outlook (default browser)

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I have Windows XP and microsoft outlook with FIrefox as my browser; when I try to open a link in an email I get the following message "This operation has been canceled due to restrictions in effect on this computer. Please contact your system administrato

I have Windows XP and microsoft outlook with Firefox as my browser; when I try to open a link in an email I get the following message "This operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator"

Tried that. Unfortunately it did not work.

I try to open hyperlinks in my email (Outlook) but I get this message: "this operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator". I am running Firefox 3.6.6

I try to open hyperlinks in my email (Outlook) but I get this message: "this operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator". I am running Firefox 3.6.6
== This happened ==
Not sure how often

See http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310049 You receive an error message when you click a hyperlink in Outlook (default browser)

'The operation has been cancelled due to restrictions in effect on this computer' prompts when firefox is started.

When I tried to open Firefox, it displayed a pop-up saying that 'The operation has been canceled due to the restrictions in effect on this computer. Please contact system administrator'. Even if I logged in as system administrator and tried to start Firefox, it showed me the same pop-up. The problem started from today morning. Yesterday, I was using Firefox and it worked for me. But for quite few days even though if I closed the window it was still running. Next time if I need to start Firefox, I need to close it from the Task manager and then need to start it. Not sure how to fix this problem. Now, I uninstall ed the older version (3.5.0 not sure) and updated with 3.6.3. Then also it shows me the same pop-up.
== This happened ==
Not sure how often
== Yesterday (04-May-2010)

By googling this site was found:
[http://techsalsa.com/solution-to-this-operation-has-been-cancelled-due-to-restrictions-in-effect-on-this-computer/]
You can try following solutions and see which one fix it for you.
Solution 1:
• Go to Control Panel -> Add Remove Programs, click on Set Program Access and Defaults.
• Open up the configuration whichever is selected and change the default web browser to something else.
Solution 2:
If you use older versions of IE then upgrade it to the latest one.
Solution 3:
Open registry editor, find
HKLM\SOFTWARE\Classes\htmlfile\shell\open\command
change its value to
"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE" -nohome
Solution 4:
• Open registry editor and search (Ctrl + F) for the value nocontrolpanel.
• Change its value from 1 to 0.
Do mention the solution that worked for you.

How can I fix an error message saying, "This operation has been cancelled due to restrictions in effect on this computer " when I try to open a webpage from a hyperlink in Outlook?

When I click on a hyperlink in an email (Outlook), I get the error message "This operation has been cancelled due to restrictions in effect on this computer " and it won't open the hyperlink. None of my Outlook settings are blocking the hyperlink. How can I fix it?

When I click on a hyperlink in an email (Outlook), I get the error message "This operation has been cancelled due to restrictions in effect on this computer " and it won't open the hyperlink. None of my Outlook settings are blocking the hyperlink. How can I fix it?

In Outlook, when clicking on any hyperlink, I am getting the message "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator." How can I fix this?

Looking at other forums, this problem is related to the browser settings. As I use Firefox 3.5.11 I'm hoping this forum will work.

See http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310049 You receive an error message when you click a hyperlink in Outlook (default browser)

Hyperlinks in Outlook error "the operation has been canceled due to restrictions in effect on this computer"

A user started getting this error message when clicking on any hyperlinks from outlook. We have not made any changes to his policy or computer. When I searched
the issue a Microsoft article said to reset IE to default but that did not work. I also tried re installing it completely but no luck.

Hi,
Do you hava other web browsers (such as Chrome or Firefox) installed before? Did you uninstall the browser without setting Internet Explorer as the default browser? If this is the case, we may try the following steps to fix the issue:
1. Press Windows key + R to open the Run command, type regedit and press Enter to open the Registry Editor.
2. Navigate to HKEY_CURRENT_USER\Software\Classes\.html
3.
Right click the value for the .html key and select Modify.
4. Change the value from “ChromeHTML” (or
FireFoxHTML or something else ) to “htmlfile”.
5.
Repeat step 4 for .htm, shtml, .xht, .xhtml, .xhtm keys.
6. Exit Registry Editor and restart Outlook to see the result.
Pleas let me know the result.
Regards,
Steve Fan
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

What does 'The operation has been cancelled due to restrictions in effect on your computer. Please contact your system administrator' mean?

I have a problem with my printer, and I'm trying to access the manual through the printer 'Properties' but it won't let me and I just get this message. I also get this message when I'm trying to upload updates to Adobe Acrobat.

hello drthompson, this doesn't sound like a problem that is related to firefox in particular. please see if running the fixit from http://support.microsoft.com/kb/310049 helps or else please contact a support forum that is specialised in windows support, since this will beyond our capacity here...

When click on link in Outlook 2007 get"This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrato

Don't know if this is an Outlook problem or not. Firefox was recently reinstalled and Outlook has not been touched at all so presume it is Firefox issue. Have been able to click on links sent to me on email and Firefox immediately opened but no longer.

This is being blocked by your operating system. Please also ask Window's support to change any https or program setting that would block this action.

After installing the safari update for windows outlook is not opening email links. I have set safari as my default browser but hyperlinks won't open a browser window - I get an error message - "This operation has been canceled due to restrictions in effec

After installing the safari update for windows, outlook is now not opening email hyperlinks. I have set safari to be my default browser but outlook won't open it when I click a link. I get the following message: "This operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator." Please help.

Hi mcclausky, you may need to manually remove a policy setting from the registry. You also should scan for malware that might have created this problem.
This article lists scanning and cleaning tools other Firefox users have found helpful: [[Troubleshoot Firefox issues caused by malware]].
To check your Windows registry for policy settings that might affect Firefox or other programs, I suggest consulting a Windows forum or Microsoft's forums. For example:
* http://windowssecrets.com/forums/
* [http://answers.microsoft.com/en-us/windows/forum/windows_8-system/this-operation-has-been-cancelled-due-to/9677848e-072d-4206-87f4-9da9284d6151 This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator. - Microsoft Community]
* [http://answers.microsoft.com/en-us/windows/forum/windows_xp-security/restrictions-this-operation-has-been-cancelled-due/8af1d0cd-8fbd-4223-9396-86d7497bb275 Restrictions. This operation has been cancelled due to to restrictions in effect on this computer.Please contact your system administrator. - Microsoft Community]

After Firefox upgrade, Windows 7 no longer allows hyperlinks in e-mails to connect. Message is "This operations has been cancelled due to restrictions in your computer."

After Firefox upgrade just a few minutes ago, Windows 7 no longer allows hyperlinks in e-mails (Outlook 2003) to connect. Message is "This operations has been cancelled due to restrictions in your computer. Please contact your system administrator."

I use Windows 7 x64 with Office 2010 and the message I get is General Failure. the URL was:..... An error occured in sending the command to the application.
This only started happening after the 3.6.14 update.

Embedded links in emails willl not process by firefox mesage says " operation has been canceled due to restrictions in place on this computer"

Imbeded links will not process on Firefox: I receive this screen: "operation has been canceled due to restrictions in place on this computer"

Hi,
ahla.org redirects to
https://www.healthlawyers.org/Pages/home.aspx
... its a mess
eg. the login link is http://admin.healthlawyers.org:8080/_login
any error message with "Restriction" in it is from Group Policy.
what you can try
Tools>Internet Options>Security tab, click "Reset all zones to default"
Trusted Sites icon, sites button, remove ANY reference to
http://ahla.org or http(s)://www.healthlawyers.org (IE has security restrictions preventing navigation between sites of lower integrity).... Other userAgents do not use the same security model as MSIE.
the https protocol (secure web sites) works in any IE security zone.... If a site uses https, you do not have to place it in the Trusted sites list. It should work (encrypt) just as well in the internet zone (default).
Hover the mouse over the pdf/doc hyperlink... its uri will appear in the status bar or at the bottom of the IE window... note its address. IT MUST point to the healthlawers.org domain. It should also be using the same protocol as the current web page. If it
uses the https protocol, check "Internet Options>Advanced tab, uncheck "Do not save encrypted files to disk"
As I said.... it is likely that the above settings are controlled by Group Policy.
Rob^_^

Firefox won't open - get error message "this operation has been cancalled due to restrictions in place on this account..."

I can't open firefox - every time I try I get the above error message. This has started after no apparent changes or updates to my system, just a normal shut down. I have tried changing the registry .htm, .html etc. file names and reinstalling as suggested but this doesn't work. The only way I can open firefox is after I have reinstalled it and it automatically launches a browser.
I can open firefox in a new user account which suggests something has changed in the account I usually use but I have no idea what since I have not made any changes myself and can't see anything that would suggest it is blocking firefox from opening. I've run a virus scan and it is coming up clean.
Does anyone have any suggestions? I'd be very grateful for some help.
Thank you.

Hi mcclausky, you may need to manually remove a policy setting from the registry. You also should scan for malware that might have created this problem.
This article lists scanning and cleaning tools other Firefox users have found helpful: [[Troubleshoot Firefox issues caused by malware]].
To check your Windows registry for policy settings that might affect Firefox or other programs, I suggest consulting a Windows forum or Microsoft's forums. For example:
* http://windowssecrets.com/forums/
* [http://answers.microsoft.com/en-us/windows/forum/windows_8-system/this-operation-has-been-cancelled-due-to/9677848e-072d-4206-87f4-9da9284d6151 This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator. - Microsoft Community]
* [http://answers.microsoft.com/en-us/windows/forum/windows_xp-security/restrictions-this-operation-has-been-cancelled-due/8af1d0cd-8fbd-4223-9396-86d7497bb275 Restrictions. This operation has been cancelled due to to restrictions in effect on this computer.Please contact your system administrator. - Microsoft Community]

After installing Firefox then closing it, I cannot open it, PC says it has been cancelled due to restrictions on my computer

I have run Firefox for over a year now. However I ended up with various pop-ups recently though they were easy enough to remove and didn't effect Firefox in any obvious way. In the past few days every time I have attempted to open Firefox, even right-clicking on the .exe file a warning pops-up saying "the operation has been cancelled due to restrictions in effect on this computer. please contact your system administrator".
I uninstalled and reinstalled Firefox and it worked fine, only to return to that warning message after I closed and re-opened it. This has also effected Google Chrome in the exact same way even though I never owned Chrome until all this business began. Internet Explorer, which I'm on now has suffered no problems.

Do a malware check with some malware scanning programs on the Windows computer. 
Please scan with all programs because each program detects different malware. 
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Now I cannot clik on links in my Outlook mail - get error that "this operation has been cnaceldue due to restrictions........"

I don't know what I changed yesterday on Firefox so that it saves the "cookies" from certain sites, but I must have changed something that I didn't meant to.
Now when I am in Outlook and I want to click on any of the links I get an error -
THIS OPERATION HAS BEEN CANCELED DUE TO RESTRICTIONS IN EFFECT ON THIS COMPUTER.
Help....

Does this help?
*http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q310049
*http://www.slipstick.com/problems/this-operation-has-been-cancelled-due-to-restrictions

When I try to launch Firefox I get the message, "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator". The only way I can launch the browser is to re-install it every time.

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