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why does Firefox pretend to be using resources on a removable drive when it isn't?

Posted

Frequently, and on more than one Macintosh computer, I have a portable drive connected that I take home with me at the end of the day. It doesn't matter whether it's connected via USB or Firewire, if FireFox is running, I cannot unmount the drive until I quit Firefox. No other browsers that may be running behave this way.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.5 r502
  • iPhoto6
  • Java Plug-In 2 for NPAPI Browsers
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Plugin for Wacom tablets.
  • Plugin that detects installed Citrix Online products (visit www.citrixonline.com).
  • Adobe® Acrobat® Plug-in for Web Browsers, Version 10.1.4
  • Office Live Update v1.0
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.4
  • Speed Download Plugin. Allows downloads to be redirected to Speed Download

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

Application Basics
Name
Firefox
Version
18.0
User Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:18.0) Gecko/20100101 Firefox/18.0
Build Configuration
about:buildconfig
Extensions
Name
Version
Enabled
ID
Adblock Plus
2.2.1
true
{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
azid - Amazon Zoom Image Downloader
0.9.1
true
azid@craue.de
ChatZilla
0.9.89
true
{59c81df5-4b7a-477b-912d-4e0fdf64e5f2}
ColorfulTabs
17.6
true
{0545b830-f0aa-4d7e-8820-50a4629a56fe}
DownThemAll!
2.0.15
true
{DDC359D1-844A-42a7-9AA1-88A850A938A8}
Flagfox
4.2.5
true
{1018e4d6-728f-4b20-ad56-37578a4de76b}
Flashblock
1.5.15.1
true
{3d7eb24f-2740-49df-8937-200b1cc08f8a}
Forecastfox
2.2.2
true
{0538E3E3-7E9B-4d49-8831-A227C80A7AD3}
FoxClocks
3.1.26
true
{d37dc5d0-431d-44e5-8c91-49419370caa1}
Greasemonkey
1.5
true
{e4a8a97b-f2ed-450b-b12d-ee082ba24781}
NoScript
2.6.4.2
true
{73a6fe31-595d-460b-a920-fcc0f8843232}
RequestPolicy
0.5.27
true
requestpolicy@requestpolicy.com
SearchPreview
6.1
true
{EF522540-89F5-46b9-B6FE-1829E2B572C6}
Speed Dial
0.9.6.12
true
{64161300-e22b-11db-8314-0800200c9a66}
Toggle Web Developer Toolbar
4.0
true
{c75a27d8-4529-449f-b67b-aba65d7a1c0a}
Vuze Remote Community Toolbar
3.15.1.0
true
{ba14329e-9550-4989-b3f2-9732e92d17cc}
Adobe Acrobat - Create PDF
1.2
false
web2pdfextension@web2pdf.adobedotcom
Adobe Contribute Toolbar
6.0
false
{01A8CA0A-4C96-465b-A49B-65C46FAD54F9}
Savings-Slider
2.4
false
savingsslider@mybrowserbar.com
Important Modified Preferences
Name
Value
accessibility.browsewithcaret
true
accessibility.typeaheadfind
true
accessibility.typeaheadfind.flashBar
0
browser.cache.disk.capacity
358400
browser.cache.disk.smart_size_cached_value
358400
browser.cache.disk.smart_size.first_run
false
browser.cache.disk.smart_size.use_old_max
false
browser.display.use_document_fonts
0
browser.history_expire_days.mirror
180
browser.places.smartBookmarksVersion
4
browser.startup.homepage
about:home
browser.startup.homepage_override.buildID
20130104151948
browser.startup.homepage_override.mstone
18.0
dom.disable_window_flip
false
dom.disable_window_open_feature.status
false
dom.disable_window_status_change
false
extensions.lastAppVersion
18.0
gfx.blacklist.direct2d
3
gfx.blacklist.layers.direct3d9
3
gfx.blacklist.webgl.msaa
4
keyword.URL
http://search.conduit.com/ResultsExt.aspx?ctid=CT2504091&q=
network.cookie.lifetimePolicy
2
network.cookie.prefsMigrated
true
network.dns.disablePrefetch
true
network.http.sendRefererHeader
1
network.prefetch-next
false
places.database.lastMaintenance
1357591833
places.history.expiration.transient_current_max_pages
104858
places.history.expiration.transient_optimal_database_size
167772160
places.last_vacuum
1299011460
print.macosx.pagesetup-2
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHBsaXN0IFBVQkxJQyAiLS8vQXBwbGUvL0RURCBQTElTVCAxLjAvL0VO
print.print_bgcolor
true
print.print_bgimages
true
print.print_command
print.print_downloadfonts
false
print.print_evenpages
true
print.print_footerleft
print.print_footerright
print.print_headerleft
print.print_headerright
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_page_delay
50
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
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
17
print.print_unwriteable_margin_left
17
print.print_unwriteable_margin_right
17
print.print_unwriteable_margin_top
17
privacy.donottrackheader.enabled
true
privacy.sanitize.migrateFx3Prefs
true
security.warn_viewing_mixed
false
Graphics
Device ID
0x68c0
GPU Accelerated Windows
2/2 OpenGL
Vendor ID
0x1002
WebGL Renderer
ATI Technologies Inc. -- ATI Radeon HD 5670 OpenGL Engine
AzureCanvasBackend
quartz
AzureContentBackend
none
AzureFallbackCanvasBackend
none
JavaScript
Incremental GC
true
Accessibility
Activated
false
Prevent Accessibility
0
Library Versions
Expected minimum version
Version in use
NSPR
4.9.4
4.9.4
NSS
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSSMIME
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSSSL
3.14.1.0 Basic ECC
3.14.1.0 Basic ECC
NSSUTIL
3.14.1.0
3.14.1.0

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

Are there any fonts installed on that drive or are there references to it in personal data like having saved files to it or a file picker window that opens to that drive?

Move all User fonts in Font Book to Computer fonts.

  1. Launch Font Book (/Applications/Utilities/)
  2. Open Font Book > Preferences
  3. Deselect: "Automatic Font Activation"
  1. Set the "Default Install Location" for fonts to "Computer"
  2. Select all User fonts
  3. Move the selected User fonts to Computer fonts
  4. Remove all duplicate fonts in Computer fonts

Question owner

I don't use Font Book; I use FontExplorer X Pro. Deactivating fonts just to make the browser happy is not an option - I do graphic design. And there are NO fonts being referenced on the portable drive, unless FireFox has some wild capability to do so on its own.

I have set my fonts up very carefully within the system and this should not be an issue.

Modified by bplaney