Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

I get this message after loading Firefox for the first time (Access denied to system because of URL Filter Configuration) I am currently running IE

  • 2 iimpendulo
  • 6 inale ngxaki
  • 5 views
  • Impendulo yokugqibela ngu AnonymousUser

more options

I have just loaded Firefox for the first time and receive this as the heading of a message box Access denied to system because of URL Filter Configuration"".

This happened

Every time Firefox opened

I loaded Firefox for the first time

User Agent

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; GTB6.4; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.21022; .NET CLR 3.5.30729; .NET CLR 3.0.30729; OfficeLiveConnector.1.4; OfficeLivePatch.1.3)

I have just loaded Firefox for the first time and receive this as the heading of a message box Access denied to system because of URL Filter Configuration"". == This happened == Every time Firefox opened == I loaded Firefox for the first time == == User Agent == Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; GTB6.4; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.21022; .NET CLR 3.5.30729; .NET CLR 3.0.30729; OfficeLiveConnector.1.4; OfficeLivePatch.1.3)

All Replies (2)

more options

Yea How do we fix this problem?

more options

See "Connection settings": Firefox can't load websites but other browsers can

You can find the connection setting here: Tools > Options > Advanced : Network : Connection If you do not need to use a proxy to connect to internet then select No Proxy