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Installed latest Firefox browser. Now can't open links from Outllok 2003

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Using Windows 10 and Microsoft Outlook for email. Upgraded to Firefox Quantum. Now trying to open links in Outlook doesn't work and this error message appears: "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator". Tried making Firefox default browser but this did not work.

Using Windows 10 and Microsoft Outlook for email. Upgraded to Firefox Quantum. Now trying to open links in Outlook doesn't work and this error message appears: "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator". Tried making Firefox default browser but this did not work.

Chosen solution

Sorry, this occurs when

(A) Firefox is your default browser

(B) Without changing your default browser, Firefox is removed from its original location

Some versions of Office get stuck and don't just go along with the changes at the Windows level.

One possible change along these lines would be if Firefox was uninstalled from "C:\Program Files (x86)\Mozilla Firefox" -- the normal folder for 32-bit Firefox on 64-bit Windows -- and then installed in "C:\Program Files\Mozilla Firefox" -- the normal folder for 64-bit Firefox.

There is not a nice, neat, clean fix for this, unfortunately. Please see the following article for hacky workarounds: https://www.slipstick.com/problems/this-operation-has-been-cancelled-due-to-restrictions/

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 28.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

More Information

Pkshadow
  • Top 10 Contributor
974 solutions 13169 answers

uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do : https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer

Reinstall with Current Release Firefox 57.0.2 with a Full Version Installer https://www.mozilla.org/firefox/all/

Please let us know if this solved your issue or if need further assistance

uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do : https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer Reinstall with Current Release Firefox 57.0.2 with a Full Version Installer https://www.mozilla.org/firefox/all/ Please let us know if this solved your issue or if need further assistance
jscher2000
  • Top 10 Contributor
7538 solutions 61432 answers

Chosen Solution

Sorry, this occurs when

(A) Firefox is your default browser

(B) Without changing your default browser, Firefox is removed from its original location

Some versions of Office get stuck and don't just go along with the changes at the Windows level.

One possible change along these lines would be if Firefox was uninstalled from "C:\Program Files (x86)\Mozilla Firefox" -- the normal folder for 32-bit Firefox on 64-bit Windows -- and then installed in "C:\Program Files\Mozilla Firefox" -- the normal folder for 64-bit Firefox.

There is not a nice, neat, clean fix for this, unfortunately. Please see the following article for hacky workarounds: https://www.slipstick.com/problems/this-operation-has-been-cancelled-due-to-restrictions/

Sorry, this occurs when (A) Firefox is your default browser (B) Without changing your default browser, Firefox is removed from its original location Some versions of Office get stuck and don't just go along with the changes at the Windows level. One possible change along these lines would be if Firefox was uninstalled from "C:\Program Files (x86)\Mozilla Firefox" -- the normal folder for 32-bit Firefox on 64-bit Windows -- and then installed in "C:\Program Files\Mozilla Firefox" -- the normal folder for 64-bit Firefox. There is not a nice, neat, clean fix for this, unfortunately. Please see the following article for hacky workarounds: https://www.slipstick.com/problems/this-operation-has-been-cancelled-due-to-restrictions/

Question owner

Thanks for your patience and help. A computer guru friend solved the problem. It was neither Firefox nor Outlook. It was related to Windows 10.

Thanks for your patience and help. A computer guru friend solved the problem. It was neither Firefox nor Outlook. It was related to Windows 10.