Internet Explorer Error Messages
Article Published by Marc Liron -
Microsoft MVP
Common Internet Explorer Error Messages
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When browsing the
Internet it is common to come across error messages displayed in the
browser.
The 20 most common
Internet Explorer Error messages are:
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52 Runtime Error |
This is a "bad file name or
number" error in JavaScript.
It means that the script
cannot find a file it is looking for (web-page, course
component) and is most likely a connectivity problem.
Try to clear your
temporary internet files
which should resolve any further problems... If this does
not then speak with the website administrator as there may
be a problem with the websites server.
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400 Bad File Request |
Usually means the syntax
used in the url is incorrect (e.g. uppercase letter
should be lowercase letter; wrong punctuation marks)
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401 Unauthorised |
The website server is
looking for some encryption key(s) from the client (your
computer) and is not getting it. Also, a wrong password may
have been entered. Try it again, paying close attention to
case sensitivity..
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403 Forbidden/Access Denied |
Similar to 401, special
permission is needed to access the website A password and/or
username may not be correctly registered on the websites
database. Other times the website server may not have
the proper permissions set up on its directories...
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404 File Not Found |
Server cannot find the file
you requested. Refreshing the page (F5) should
resolve this problem, although continued error messages may
mean the page is no longer available, that there is
considerable internet congestion (in which case the user
should try again later).
Alternatively the file
could have been either been moved or deleted, or you entered
the wrong URL or document name. Look at the URL. If a word
looks misspelled, correct it and try it again. If that
doesn't work backtrack by deleting information between each
backslash, until you come to a page on that site that isn't
a 404.
From there you may be able
to find the page you're looking for. This has to be the most
common Internet Explorer Error message on the Internet!
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408 Request Timeout |
Client (your computer)
stopped the request before the server finished retrieving
it. A user will either hit the stop button, close the
browser, or click on a link before the page loads. Usually
occurs when servers are slow or file sizes are large.
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500 Internal Error |
Couldn't retrieve the HTML
document because of server-configuration problems.
Contact website
administrator...
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501 Not Implemented |
Web server doesn't support a
requested feature.
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502 Service Temporarily Overloaded |
Server congestion; too many
connections; high traffic. Keep trying until the page loads.
This can be a common occurrence at peak news times eg. the
Twin Towers during September 2001 brought CNN and the BBC
news sites to a slow crawl and many folks got this error.
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503 Service Unavailable |
Server busy, site may have
moved, or you lost your dial-up Internet connection!
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Bad File Request |
Browser may not support the
form or other coding you're trying to access.
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Connection Refused by Host |
Either you do not have
permission to access the site or your password is incorrect.
Try again!
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Errors on Page |
This error message is a
catch-all statement meaning there is something on the
web page that the browser either hasn't read properly
(connectivity problem) or there are missing items in the web
page itself. This problem normally affects the graphics on a
web page.
This can be a temporary
glitch (caused by insufficient bandwidth), and may be
quickly resolved, or it can have a more complex and longer
term problem. With regard to most cases of this Internet
Explorer Error message, it is due to not having given
sufficient time to download the page you are requesting.
It is necessary to wait
until the bottom left hand corner of the page reads 'done'
before selecting any other links on the page to move
forward.
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Failed DNS Lookup |
The Domain Name Server can't
translate your domain request into a valid Internet address.
The website server may be busy or down, or incorrect url
(web address) was entered.
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File Contains No Data |
Page is there but is not
showing anything. Error occurs in the document. Attributed
to bad table formatting, or stripped header information....
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Host Unavailable |
Host server down. Hit reload
or go to the site later
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Network Connection Refused by the
Server |
The Web server is busy. To resolve this
problem, refresh the page. (Press Ctrl and F5).
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Runtime Error |
(The information in this
solution applies to: Internet Explorer 5.5 (SP1) 95 /
98 / 98 Second Edition / NT4.0 / 2000). When you attempt to
browse to various websites, you may receive an error message
similar to the following 'A runtime error has occurred. Do
you wish to debug? Line number Error: Permission Denied.'
This can occur if you
upgrade to IE 5.5 (SP1). The upgrade enables the
script-debugging and script-error-notification options.
(Note: Because there are several versions of Windows, the
following steps may be different on your computer. If they
are, please consult your product documentation to complete
these steps:)
To resolve this issue, disable the script-debugging and
script-error-notification options. To do this, follow these
steps:
1. Start Internet Explorer.
2. On the Tools menu, click Internet Options.
3. Click the Advanced tab .
4. Click to select the Disable script debugging check box .
5. Click to clear the Display a notification about every
script error check box .
6. Click Apply, and then click OK.
Fortunately this is a very rare Internet
Explorer Error message...
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Script Error |
Script errors are caused
when something goes wrong when surfing some web pages. It is
caused by VBScript or JavaScript code that is embedded
within certain web pages. These errors are mostly due to
connectivity problems, though can occasionally be caused by
browser incompatibilities. Ensure that you have a compatible
browser version (IE 5.5 and above or Netscape 4.76 and
above).
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Unable to Locate Host |
Host server is down,
Internet connection is lost, or URL typed incorrectly.
If refreshing the page
doesn't work, try clearing the Temporary Internet Files and
History and refreshing again. You may have to wait until
later
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Please note that this is
not a comprehensive list, but it does explain the most
common Internet Explorer Error messages you get whilst "surfing" the
Internet.
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Marc Liron -
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