Browser errors in detail

404 Not Found
The browser could not find the specific document that you requested on the host computer. To resolve this error, check the Uniform Resource Locator (URL) syntax (some URLs are case sensitive). In addition, the page may have been removed, had its name changed, or have been moved to a new location. 403 Forbidden/Access Denied
Special permission is required for access.

503 Service Unavailable
The host server is busy and could not respond to the request

Bad File Request
The form or the Hypertext Markup Language (HTML) code for an online form has an error.

Cannot Connect to Server
This error can occur if you are using Secure Sockets Layer (SSL) security (”https” at the beginning of the URL) when you are connecting to certain Web servers.

Cannot Add Form Submission Result to Bookmark List
The results of a form cannot be saved as a bookmark. A bookmark must be a document or a web address.

Cipher Strength value is 0-bit
When you click About Internet Explorer on the Help menu, the Cipher Strength value is 0-bit -and- you cannot connect to and view Web pages on secure Web sites can occur if the Schannel.dll, Rsabase.dll, or Rsaenh.dll files are missing, damaged, or of the incorrect version.

Connection Reset by Peer
This message indicates that you clicked the “Stop” button or moved on to another webpage before the server finished sending the data/page.

Connection Refused by Host
This is a version of the 403 error. The Web site you requested requires special access permission. Or this page/site requires you to have SSL functionality not found in older browsers.

Error Copying File: Cannot copy file: File system error (1026)
This message indicates that the Temporary Internet Files folder is full. Internet Explorer downloads files to the Temporary Internet Files Folder and then copies the files to the specified location. To resolve, go to the Tools menu in Internet Explorer and select Internet Options. On the General tab, click the Delete Files button in the ‘Temporary Internet Files’ section. If you would like to delete content that has been stored locally, select the ‘Delete all offline / subscription content’ check box. Click OK and click OK again.

Failed DNS Lookup
The Web site’s URL could not be translated into a valid Internet protocol (IP) address. This error is common on commercial sites because the computers responsible for translating the IP addresses are overloaded. Try again later when there may be less Internet traffic. This can also be caused by a URL syntax error (the URL has incorrect format).

File Contains no Data
The browser found the site, but nothing in the specific file. Try adding “:80″ (without the quotation marks) to the URL just before the first slash, for example: http://www.microsoft.com:80/.

Helper Application not Found
You have attempted to download a file that needs a helper program and your browser cannot find the program. On the browser’s preferences or options menu, make sure the correct directory and file name are entered for the helper program. If you do not have a helper program, save the file to disk and obtain the helper program.

HTTP Server at Compressed .com:8080 Replies:HTTP/1.0 500 Error from Proxy:
This error is common with proxy servers (a server on a local area network that lets you connect to the Internet without using a modem). The proxy is either down, busy, or cannot interpret the command that was sent to it. You may want to wait for 30 seconds or more then try viewing the page again. If the problem persists, contact the network administrator of that proxy.

NTTP Server Error
The browser could not find the Usenet newsgroup that you tried to access. Make sure the news server address is correctly listed in your browser’s preferences or options menu and try again.

Not Found
The link no longer exists.

Site Unavailable
Too many users are trying to access the site, the site is down for maintenance, there is noise on the line, or the site no longer exists. This can also be caused by a user URL syntax error.

TCP Error Encountered While Sending Request to Server
This error is caused by erroneous data on the line between you and the requested site. This may be hardware related. Report the error to your network administrator and try again later.

Unable to Locate Host
The URL did not return anything, the site is unavailable, or the Internet connection was dropped. Check the hardware connections and URL syntax.

Cannot Connect to Server
This error can occur if you are using Secure Sockets Layer (SSL) security (”https” at the beginning of the URL) when you are connecting to certain Web servers.

Related posts:

1. 500 errors in the HTTP
2. Browser cannot access the secure websites
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4. Resizing the browser window
5. Tuning up the browser for vista
6. Web browser security settings

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