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Firefox keeps automatically blocking specific previously removed cookie

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Firefox keeps blocking a certain website's cookies, even when I make it an allowed exception. If I wait a few seconds Firefox just changes the status to blocked. I thought it might have something to do with Network.cookie.blockFutureCookies but creating and setting this parameter to false has done nothing. How do I keep Firefox from blocking cookies automatically?

I have everything set to accept all cookies and no cookie add-ons, I really have no idea why Firefox doesn't like this cookie. :(

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.4 r402
  • ActiveGS Emulator 3.5.864
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • 4.1.10329.0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • NVIDIA 3D Vision Streaming plugin for Mozilla browsers
  • NVIDIA 3D Vision plugin for Mozilla browsers
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.4.634
  • Nexon Game Controller
  • Unity Player 3.4.2f2
  • BitCometAgent v1.27 for Firefox
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.0
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.0; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0.1

More Information

Application Basics
Name
Firefox
Version
15.0.1
User Agent
Mozilla/5.0 (Windows NT 6.0; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0.1
Profile Folder
Show Folder
Enabled Plugins
about:plugins
Build Configuration
about:buildconfig
Crash Reports
about:crashes
Memory Use
about:memory
Extensions
Name
Version
Enabled
ID
ActiveGS
3.5.864
true
activegs@freetoolsassociation.com
Adblock Plus
2.1.2
true
{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Evernote Web Clipper
5.1.0.252437
true
{E0B8C461-F8FB-49b4-8373-FE32E9252800}
Greasemonkey
1.1
true
{e4a8a97b-f2ed-450b-b12d-ee082ba24781}
Microsoft .NET Framework Assistant
0.0.0
true
{20a82645-c095-46ed-80e3-08825760534b}
Print Edit
8.6
true
printedit@DW-dev
Priv3
0.11
true
priv3@icsi.berkeley.edu
Save Images
0.7.9
true
LDSI_plashcor@gmail.com
avast! WebRep
6.0.1203
false
wrc@avast.com
BitComet Video Downloader
1.29
false
{B042753D-F57E-4e8e-A01B-7379A6D4CEFB}
Cookie Monster
1.1.0
false
{45d8ff86-d909-11db-9705-005056c00008}
Torbutton
1.4.6.2
false
{e0204bd5-9d31-402b-a99d-a6aa8ffebdca}
Important Modified Preferences
Name
Value
accessibility.typeaheadfind.flashBar
0
browser.cache.disk.capacity
1048576
browser.cache.disk.smart_size.first_run
false
browser.cache.disk.smart_size_cached_value
532480
browser.places.smartBookmarksVersion
4
browser.startup.homepage
google.com
browser.startup.homepage_override.buildID
20120905151427
browser.startup.homepage_override.mstone
15.0.1
extensions.lastAppVersion
15.0.1
gfx.direct3d.prefer_10_1
true
network.cookie.prefsMigrated
true
network.security.ports.banned
8118,8123,9050,9051
places.database.lastMaintenance
1347102616
places.history.expiration.transient_current_max_pages
98814
places.history.expiration.transient_optimal_database_size
58384138
print.print_printer
Canon iP1800 series
print.printer_Canon_iP1800_series.print_bgcolor
false
print.printer_Canon_iP1800_series.print_bgimages
false
print.printer_Canon_iP1800_series.print_command
print.printer_Canon_iP1800_series.print_downloadfonts
false
print.printer_Canon_iP1800_series.print_edge_bottom
0
print.printer_Canon_iP1800_series.print_edge_left
0
print.printer_Canon_iP1800_series.print_edge_right
0
print.printer_Canon_iP1800_series.print_edge_top
0
print.printer_Canon_iP1800_series.print_evenpages
true
print.printer_Canon_iP1800_series.print_footercenter
print.printer_Canon_iP1800_series.print_footerleft
&PT
print.printer_Canon_iP1800_series.print_footerright
&D
print.printer_Canon_iP1800_series.print_headercenter
print.printer_Canon_iP1800_series.print_headerleft
&T
print.printer_Canon_iP1800_series.print_headerright
&U
print.printer_Canon_iP1800_series.print_in_color
true
print.printer_Canon_iP1800_series.print_margin_bottom
0.5
print.printer_Canon_iP1800_series.print_margin_left
0.5
print.printer_Canon_iP1800_series.print_margin_right
0.5
print.printer_Canon_iP1800_series.print_margin_top
0.5
print.printer_Canon_iP1800_series.print_oddpages
true
print.printer_Canon_iP1800_series.print_orientation
0
print.printer_Canon_iP1800_series.print_page_delay
50
print.printer_Canon_iP1800_series.print_paper_data
1
print.printer_Canon_iP1800_series.print_paper_height
11.00
print.printer_Canon_iP1800_series.print_paper_size_type
0
print.printer_Canon_iP1800_series.print_paper_size_unit
0
print.printer_Canon_iP1800_series.print_paper_width
8.50
print.printer_Canon_iP1800_series.print_reversed
false
print.printer_Canon_iP1800_series.print_scaling
1.00
print.printer_Canon_iP1800_series.print_shrink_to_fit
true
print.printer_Canon_iP1800_series.print_to_file
false
print.printer_Canon_iP1800_series.print_unwriteable_margin_bottom
0
print.printer_Canon_iP1800_series.print_unwriteable_margin_left
0
print.printer_Canon_iP1800_series.print_unwriteable_margin_right
0
print.printer_Canon_iP1800_series.print_unwriteable_margin_top
0
privacy.sanitize.migrateFx3Prefs
true
privacy.sanitize.timeSpan
0
security.disable_button.openCertManager
false
security.warn_viewing_mixed
false
Graphics
Adapter Description
NVIDIA GeForce GTX 460 SE
Vendor ID
0x10de
Device ID
0x0e23
Adapter RAM
1024
Adapter Drivers
nvd3dumx,nvwgf2umx,nvwgf2umx nvd3dum,nvwgf2um,nvwgf2um
Driver Version
8.17.12.9610
Driver Date
2-29-2012
Direct2D Enabled
true
DirectWrite Enabled
true (7.0.6002.18592)
ClearType Parameters
ClearType parameters not found
WebGL Renderer
Google Inc. -- ANGLE (NVIDIA GeForce GTX 460 SE) -- OpenGL ES 2.0 (ANGLE 1.0.0.1041)
GPU Accelerated Windows
2/2 Direct3D 10
AzureBackend
direct2d
JavaScript
Incremental GC
0
Library Versions
Expected minimum version
Version in use
NSPR
4.9.1
4.9.1
NSS
3.13.6.0 Basic ECC
3.13.6.0 Basic ECC
NSS Util
3.13.6.0
3.13.6.0
NSS SSL
3.13.6.0 Basic ECC
3.13.6.0 Basic ECC
NSS S/MIME
3.13.6.0 Basic ECC
3.13.6.0 Basic ECC

cor-el
  • Top 10 Contributor
  • Moderator
10762 solutions 96861 answers

Helpful Reply

Try to clear the "Site Preferences"

Note that clearing "Site Preferences" clears all exceptions for cookies, images, pop-up windows, software installation, and passwords.


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do not click the Reset button on the Safe mode start window or otherwise make changes.

If clearing cookies doesn't work then it is possible that the file cookies.sqlite that stores the cookies is corrupted.

Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete other present cookie files like cookies.sqlite-journal in the Firefox Profile Folder in case the file cookies.sqlite got corrupted.

Question owner

It was a Site Preference the whole time...

Well, thank you! :)

To be clear, clearing my site preferences fixed things immediately. Didn't even have to delete any cookies.

This picture is for you.

cor-el
  • Top 10 Contributor
  • Moderator
10762 solutions 96861 answers

You're welcome.

There may have been a, possibly hidden, block exception.