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Why do so many links cause "400 Bad Request" errors

Posted

When clicking links that show up in many news stories on my MyYahoo page, I get the following:

Your browser sent a request that this server could not understand.

Size of a request header field exceeds server limit.

Cookie: B=a64eva95pbep3&b=4&d=MT_CzoVpYEKok6Wxn9eYnrePh7iVyZwLBswKhQ--&s=mi&i=5Nt7PZCgn.NWgaMdwxsf; YLS=v=1&

Additional System Details

This happened

Every time Firefox opened

This started when...

I click on some links in MyYahoo news stories

Installed Plug-ins

  • CouponNetwork Coupon Activator
  • Google Update
  • GEPlugin
  • Shockwave Flash 11.0 r1
  • 4.0.60831.0
  • Adobe PDF Plug-In For Firefox and Netscape "9.4.5"
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 1.6.0_26 for Mozilla browsers
  • Coupons, Inc. Coupon Printer Plugin
  • Coupons, Inc. Coupon Printer DLL
  • Adobe Shockwave for Director Netscape plug-in, version 11.5
  • 1.9.0042.0
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Store Netscape Plugin
  • Npdsplay dll
  • DRM Netscape Network Object

Application

  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0

More Information

Application Basics
Name
Firefox
Version
8.0
User Agent
Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0
Profile Directory
Open Containing Folder
Enabled Plugins
about:plugins
Build Configuration
about:buildconfig
Crash Reports
about:crashes
Extensions
Name
Version
Enabled
ID
Java Quick Starter
1.0
false
jqs@sun.com
Microsoft .NET Framework Assistant
0.0.0
false
{20a82645-c095-46ed-80e3-08825760534b}
Modified Preferences
Name
Value
accessibility.typeaheadfind.flashBar
0
browser.places.importBookmarksHTML
false
browser.places.smartBookmarksVersion
2
browser.startup.homepage
http://my.yahoo.com
browser.startup.homepage_override.buildID
20111104165243
browser.startup.homepage_override.mstone
rv:8.0
browser.tabs.warnOnClose
false
extensions.lastAppVersion
8.0
network.cookie.prefsMigrated
true
places.database.lastMaintenance
1324049953
places.history.expiration.transient_current_max_pages
64372
places.last_vacuum
1299431648
print.print_bgcolor
false
print.print_bgimages
false
print.print_command
print.print_downloadfonts
false
print.print_evenpages
true
print.print_in_color
true
print.print_margin_bottom
0.5
print.print_margin_left
0.5
print.print_margin_right
0.5
print.print_margin_top
0.5
print.print_oddpages
true
print.print_orientation
0
print.print_pagedelay
500
print.print_paper_data
0
print.print_paper_height
11.00
print.print_paper_size_type
1
print.print_paper_size_unit
0
print.print_paper_width
8.50
print.print_printer
MP470
print.print_reversed
false
print.print_scaling
1.00
print.print_shrink_to_fit
true
print.print_to_file
false
print.print_unwriteable_margin_bottom
0
print.print_unwriteable_margin_left
0
print.print_unwriteable_margin_right
0
print.print_unwriteable_margin_top
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_bgcolor
false
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_bgimages
false
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_command
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_downloadfonts
false
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_edge_bottom
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_edge_left
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_edge_right
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_edge_top
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_evenpages
true
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_footercenter
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_footerleft
&PT
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_footerright
&D
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_headercenter
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_headerleft
&T
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_headerright
&U
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_in_color
true
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_margin_bottom
0.5
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_margin_left
0.5
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_margin_right
0.5
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_margin_top
0.5
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_oddpages
true
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_orientation
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_pagedelay
500
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_paper_data
1
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_paper_height
11.00
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_paper_size_type
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_paper_size_unit
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_paper_width
8.50
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_reversed
false
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_scaling
1.00
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_shrink_to_fit
true
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_to_file
false
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_unwriteable_margin_bottom
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_unwriteable_margin_left
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_unwriteable_margin_right
0
print.printer_Auto_Canon_MP470_series_Printer_on_VOSTRO.print_unwriteable_margin_top
0
print.printer_MP470.print_bgcolor
false
print.printer_MP470.print_bgimages
false
print.printer_MP470.print_command
print.printer_MP470.print_downloadfonts
false
print.printer_MP470.print_edge_bottom
0
print.printer_MP470.print_edge_left
0
print.printer_MP470.print_edge_right
0
print.printer_MP470.print_edge_top
0
print.printer_MP470.print_evenpages
true
print.printer_MP470.print_footercenter
print.printer_MP470.print_footerleft
&PT
print.printer_MP470.print_footerright
&D
print.printer_MP470.print_headercenter
print.printer_MP470.print_headerleft
&T
print.printer_MP470.print_headerright
&U
print.printer_MP470.print_in_color
true
print.printer_MP470.print_margin_bottom
0.5
print.printer_MP470.print_margin_left
0.5
print.printer_MP470.print_margin_right
0.5
print.printer_MP470.print_margin_top
0.5
print.printer_MP470.print_oddpages
true
print.printer_MP470.print_orientation
0
print.printer_MP470.print_page_delay
50
print.printer_MP470.print_pagedelay
500
print.printer_MP470.print_paper_data
1
print.printer_MP470.print_paper_height
11.00
print.printer_MP470.print_paper_size_type
0
print.printer_MP470.print_paper_size_unit
0
print.printer_MP470.print_paper_width
8.50
print.printer_MP470.print_reversed
false
print.printer_MP470.print_scaling
1.00
print.printer_MP470.print_shrink_to_fit
true
print.printer_MP470.print_to_file
false
print.printer_MP470.print_unwriteable_margin_bottom
0
print.printer_MP470.print_unwriteable_margin_left
0
print.printer_MP470.print_unwriteable_margin_right
0
print.printer_MP470.print_unwriteable_margin_top
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_bgcolor
false
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_bgimages
false
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_command
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_downloadfonts
false
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_edge_bottom
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_edge_left
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_edge_right
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_edge_top
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_evenpages
true
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_footercenter
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_footerleft
&PT
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_footerright
&D
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_headercenter
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_headerleft
&T
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_headerright
&U
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_in_color
true
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_margin_bottom
0.5
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_margin_left
0.5
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_margin_right
0.5
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_margin_top
0.5
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_oddpages
true
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_orientation
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_pagedelay
500
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_paper_data
1
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_paper_height
11.00
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_paper_size_type
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_paper_size_unit
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_paper_width
8.50
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_reversed
false
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_scaling
1.00
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_shrink_to_fit
true
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_to_file
false
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_unwriteable_margin_bottom
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_unwriteable_margin_left
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_unwriteable_margin_right
0
print.printer_\\VOSTRO\Canon_MP470_series_Printer.print_unwriteable_margin_top
0
privacy.cpd.cookies
false
privacy.cpd.formdata
false
privacy.cpd.sessions
false
privacy.sanitize.migrateFx3Prefs
true
security.warn_viewing_mixed
false
Graphics
Adapter Description
ATI Mobility Radeon X1300
Vendor ID
1002
Device ID
7149
Adapter RAM
Unknown
Adapter Drivers
ati2dvag
Driver Version
8.362.0.0
Driver Date
4-5-2007
Adapter RAM (GPU #2)
Unknown
Adapter Drivers (GPU #2)
Unknown
WebGL Renderer
Blocked for your graphics driver version. Try updating your graphics driver to version 10.6 or newer.
GPU Accelerated Windows
0/1. Blocked for your graphics driver version. Try updating your graphics driver to version 10.6 or newer.

cor-el
  • Top 10 Contributor
  • Moderator
10740 solutions 96657 answers

That issue can be caused by corrupted cookies.

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"