Hi!
First of all I want to know whether you are an experienced user (comfortable with the PCs) or not. Because I have to provide a more detailed and understandable explanation and a solution to the problem otherwise.
Before going to a discussion of your problem I have to ask a few questions from you to get a better understanding of the issue and to know hot and from which component/application raised it.
Solution will depend on the Answers you will provide.
Symptoms:
Us.data.toolbar.yahoo.com.443
Description:
Security Certificate is expired or Synchronization Failure.
Port 443 is blocked by a firewall or Internet Services Provider (worst case scenario)
Solutions: May vary depending on your Answers.
The Most Common Reason:
If the System Date or Time had been changed this could occur. That is the most common issue. If you have installed or uninstalled an application it may have reversed the Date and/or Time. It might be a Browser Plug-in as well. If you have recently Installed a Plug-in (or un-installed) it might have caused that. So you have to either disable or un-install the plug-in.
Conclusion:
If you need to know how to change the System Date/Time Settings or Plug-ins or your Firewall Configurations (Anti Virus Suites does also provide Firewalls these days) please let me know.
Don't hesitate to contact me again using this thread.
Thanks for contacting Fixya!
-Lasitha
SOURCE: us data toolbar.yahoo.com 443 uses
I started getting the same message/problem when I upgraded Firefox to the latest version. I went to google and searched Firefox - until I found another version 3.5. I installed 3.5 and have had no problem since.
SOURCE: us.toolbar.yahoo.com.443 invalid security certificate
Change the date,time to current date and time and it should be fine,if not..ask me i will suggest further solutions
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