This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

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

After upgrade to 9.01 startup of firefox gives error message MOZCRT19.dll was not found

  • 3 uphendule
  • 2 zinale nkinga
  • 1 view
  • Igcine ukuphendulwa ngu cor-el

Burk
Burk
more options

After the upgrade to firefox 9.01 with windows xp I get every time firefox tries to launch the error message "This application has failed to start because MOZCRT19.dll was not found. Re-installing the application may fix this problem".

Well, re-installing does not fix this problem!

I even de-installed firefox, cleared all folders with the hint of mozilla or firefox in its name and did the same with the registry, re-installed firefox 9.01 but always get the same result.

After the upgrade to firefox 9.01 with windows xp I get every time firefox tries to launch the error message "This application has failed to start because MOZCRT19.dll was not found. Re-installing the application may fix this problem". Well, re-installing does not fix this problem! I even de-installed firefox, cleared all folders with the hint of mozilla or firefox in its name and did the same with the registry, re-installed firefox 9.01 but always get the same result.

Isisombululo esikhethiwe

If you use ZoneAlarm Extreme Security then disable Virtualization and reinstall Firefox.

See this for a similar issue caused by ZoneAlarm:

Funda le mpendulo ngokuhambisana nalesi sihloko 👍 0

All Replies (3)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Which security software (firewall, anti-virus) do you have?

Burk
Burk Umnikazi wombuzo
more options

I do run ZoneAlarm version 10.0.241.000 which comes with Anti-Virus/Spam/Spam/Phishing/Spyware

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Isisombululo Esikhethiwe

If you use ZoneAlarm Extreme Security then disable Virtualization and reinstall Firefox.

See this for a similar issue caused by ZoneAlarm: