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Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

When I try to open Firefox, a pop up seems to be being blocked from happening.

  • 9 uphendule
  • 1 inale nkinga
  • 5 views
  • Igcine ukuphendulwa ngu FredMcD

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I want to be able to open the app and use the search engine.

I want to be able to open the app and use the search engine.

Isisombululo esikhethiwe

That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems.

Funda le mpendulo ngokuhambisana nalesi sihloko 👍 0

All Replies (9)

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What does it say?

Please explain the problem in detail. What happens? What is/are the exact error message(s) ?

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Can you attach a screenshot?


Is this about a missing VCRUNTIME140_1.dll file ?

You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll.

See "Visual Studio 2015, 2017 and 2019":

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FredMcD said

What does it say? Please explain the problem in detail. What happens? What is/are the exact error message(s) ?

Not sure if this is the right way to respond to your question. When I try to open it, something tries to pop up, but doesn't. Whatever it is flashes on the screen so fast that you could miss it if you blinked. It used to work, but I think it stopped when I updated my computer to windows 10.

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We have been seeing this error a lot of late: Did you see any error messages when launching Firefox, such as "VCRUNTIME140_1.DLL is not found"? In that case, I would install both 32-bit and 64-bit "Visual Studio 2015, 2017 and 2019" downloads, (x86: vc_redist.x86.exe and x64: vc_redist.x64.exe) from https://support.microsoft.com/help/2977003/the-latest-supported-visual-c-downloads

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FredMcD said

We have been seeing this error a lot of late: Did you see any error messages when launching Firefox, such as "VCRUNTIME140_1.DLL is not found"? In that case, I would install both 32-bit and 64-bit "Visual Studio 2015, 2017 and 2019" downloads, (x86: vc_redist.x86.exe and x64: vc_redist.x64.exe) from https://support.microsoft.com/help/2977003/the-latest-supported-visual-c-downloads

It doesn’t say anything accept for Firefox at the top of the pop up for a split second. I’ll try out what you suggested and see what happens. Thanks for the help.

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FredMcD said

We have been seeing this error a lot of late: Did you see any error messages when launching Firefox, such as "VCRUNTIME140_1.DLL is not found"? In that case, I would install both 32-bit and 64-bit "Visual Studio 2015, 2017 and 2019" downloads, (x86: vc_redist.x86.exe and x64: vc_redist.x64.exe) from https://support.microsoft.com/help/2977003/the-latest-supported-visual-c-downloads

I was able to download both the x86 and x64 and I still have the same issue. Any other help would be appreciated, I understand if there's nothing more you can do to help.

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Do a clean reinstall of the current Firefox release and delete the Firefox program folder before installing a fresh copy of the current Firefox release.

If possible uninstall your current Firefox version to cleanup the Windows Registry and settings in security software.

  • do NOT remove "personal data" when you uninstall the current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including personal data in profiles created by other Firefox versions

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • (64-bit Firefox) "C:\Program Files\Mozilla Firefox\"
  • (32-bit Firefox) "C:\Program Files (x86)\Mozilla Firefox\"
  • it is important to delete the Firefox program folder to remove all the files and make sure there are no problems with files that were leftover after uninstalling

Your personal data like bookmarks is stored in the Firefox profile folder, so you won't lose personal data when you reinstall or update Firefox, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.

If you keep having problems then you can create a new profile as a quick test to see if your current profile is causing the problem.


Reinstall Firefox

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Thank you both. I was just about to give up when I decided to see if my computer needed any updates. Turns out, my computer did need updates. There every weren't many, but what ever ended up being updated fixed everything.

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Isisombululo Esikhethiwe

That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems.