When doing a search I am finding a lot of complaints about this "404 not found nginx" issue with various possible causes and suggestions to fix it.
Go to
> Control Panel (Settings > Control Panel if in Classic View) and double-click on
Add/Remove Programs or
Programs and Features if using
Vista/
Windows 7. From within Add/Remove Programs highlight "
Anti Phishing Domain Advisor" (if listed) and select
Remove.
Repeat the above steps for each of these programs:
• Panda
• Ask ToolbarIf there are other toolbars or programs listed which you did not install, I would remove them too. When done, be sure to restart the computer.
<- Important!Since I have not come across a specific cause, there are additional steps you can try it the above does not resolve the problem.
Some infections will alter the
Proxy settings in Internet Explorer which can affect your ability to browse, update or download tools required for disinfection.
Check/Reset Proxy Server Settings. To do that, please refer to
Steps 4-7 under the section
Automated Removal Instructions in this
guide.
Alternatively, you can press the
WINKEY + R keys on your keyboard or click
>
Run..., and in the Open dialog box, type:
inetcpl.cplClick
OK or press
Enter. Click the
Connections tab and continue following the instructions in the above guide.
If using
FireFox, refer to these
instructions to check and configure Proxy Settings under the
Connection Settings Dialog.
Reset the IP address:
- Go to > Run... and in the open box, type: cmd
- Click OK or press Enter. A dos Window will appear.
- At the command prompt C:\>_, type: ipconfig /release
- Press Enter.
- When the prompt comes back, type: ipconfig /renew
- Press Enter.
- Close the command box and and see if that fixes the connection. No reboot needed.
--
XP users can refer to
XP ipconfig Tutorial: Step 4--
Vista users can refer to
Vista ipconfig Tutorial: Step 4Flush the DNS resolver cache:
- Go to > Run... and in the open box, type: cmd
- Click OK or press Enter. A dos Window will appear.
- At the command prompt C:\>_, type: ipconfig /flushdns
- Press Enter.
- You will get a confirmation that the flush was successful.
- Close the command box.
Some types of malware will alter the HOSTS file as part of its infection. Please follow the instructions provided in
How to reset the hosts file back to the default.
To reset the hosts file automatically, click the
button.
Click Run in the file download dialog box or save MicrosoftFixit50267.msi to your Desktop and double-click on it to run. Then just follow the promots in the Fix it wizard.
If you want to add a custom HOSTS file instead, read
here first, then download
hosts.zip, save it to your Desktop and follow follow these
instructions to install the MVPS HOSTS File.
Note: If using Vista or Windows 7, be aware that they require special instructions.
Check/reset your network settings and
Configure TCP/IP to use DNS.
- Go to > Control Panel, and choose Network Connections.
- Right-click on your default connection, usually Local Area Connection or Dial-up Connection if you are using Dial-up, and and choose Properties.
- Double-click on Internet Protocol (TCP/IP) or highlight it and select Properties.
- Under the General tab, write down any settings in case you should need to change them back.
- Select the button that says "Obtain an IP address automatically" or make sure the DNS server IP address is the same as provided by your ISP.
- Select the button that says "Obtain DNS servers automatically".
- If unknown Preferred or Alternate DNS servers are listed, uncheck the box that says "Use the following DNS server address".
- Click OK twice to get out of the properties screen and restart your computer. If not prompted to reboot go ahead and reboot manually.
--
Vista users can refer to
How to Change TCP/IP settings.
--
Windows 7 users can refer to
How to Change TCP/IP settings.
CAUTION:
It's possible that your ISP (Internet Service Provider) requires specific DNS settings here. Make sure you know if you need these settings or not BEFORE you make any changes or you may lose your Internet connection. If you're sure you do not need a specific DNS address, then you may proceed. 
If using a router, disconnect from the Internet and
reset your router with a strong logon/password. Many users seldom change the default username/password on the router and are prone to some types of infection. If you're not sure how to do this, refer to the owner's manual for your particular router model. If you do not have a manual, look for one on the vendor's web site which you can download and keep for future reference.
Consult these links to find out the default username and password for your router and write down that information so it is available when doing the reset:
These are generic instructions for how to reset a
router,:
- Unplug or turn off your DSL/cable modem.
- Locate the router's reset button.
- Press, and hold, the Reset button down for 30 seconds.
- Wait for the Power, WLAN and Internet light to turn on (On the router).
- Plug in or turn on your modem (if it is separate from the router).
- Open your web browser to see if you have an Internet connection.
- If you don't have an Internet connection you may need to restart your computer.
Reset Internet Explorer or go
here and click the
button.
This will
automatically reset registry keys and the browser back to the way it was when initially installed. If you check the
Delete personal settings checkbox in Advanced settings, it will reset the home page(s), search providers and Accelerators to their default values. It will also delete temporary Internet files, history, cookies, web form information (passwords) and InPrivate Filtering data.
-- Note: Microsoft Fix it does not work in Windows 7. Instead, you can use the Internet Explorer troubleshooters to achieve this automatically.itially installed. Then
clear your browser history.
If using
FireFox, refer to these
instructions to
reset all user preferences, toolbars and search engine to their default settings using
Firefox Safe Mode.
Clear your
Web browser cache. As you browse web pages, the browser stores a copy of the pages you view on your local hard drive; this is called caching. Clearing the cache forces the browser to load the latest versions of Web pages and programs you visit.
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