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Firefox window does not open, but it is on the task manager list

Kuphostiwe

As the question says, Firefox does appear on the task manager as open but the window is not actually there. I tried reinstalling it, but it did not help. I also tried running as administrator and in the safe mode - still nothig. I know it did work earlier, then it began to open very slowly and now the window doesn't appear at all. I don't use this computer, my mom does, so I don't know any more details. The system is windows 10 upgraded from windows 8. Hope someone could help me with this.

As the question says, Firefox does appear on the task manager as open but the window is not actually there. I tried reinstalling it, but it did not help. I also tried running as administrator and in the safe mode - still nothig. I know it did work earlier, then it began to open very slowly and now the window doesn't appear at all. I don't use this computer, my mom does, so I don't know any more details. The system is windows 10 upgraded from windows 8. Hope someone could help me with this.

Eminye Imininingwane Yohlelo

Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10586

Eminye Imininingwane

FredMcD
  • Top 10 Contributor
4224 izisombululo 58962 izimpendulo
Kuphostiwe

You may have corrupt xulstore.json or Localstore.rdf file.

Close Firefox. Open your file browser to this hidden location:

  • Mac: *~/Library/Application Support/Firefox/
  • Linux: *~/.mozilla/firefox/
  • Windows: %AppData%\Mozilla\Firefox\
  • *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\

Locate the above files. Then rename or delete them. Restart Firefox.

You may have corrupt '''xulstore.json''' or '''Localstore.rdf''' file. '''Close Firefox'''. Open your file browser to this hidden location: * Mac: *~/Library/Application Support/Firefox/ * Linux: *~/.mozilla/firefox/ * Windows: %AppData%\Mozilla\Firefox\ * *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\ Locate the above files. Then rename or delete them. Restart Firefox.

Umnikazi wombuzo

Thank you for the answer. I searched the whole location but these files are not there at all.

Thank you for the answer. I searched the whole location but these files are not there at all.
FredMcD
  • Top 10 Contributor
4224 izisombululo 58962 izimpendulo
Kuphostiwe

If those files were missing, Firefox would recreate them. Did you look in the sub-directories?

If those files were missing, Firefox would recreate them. Did you look in the sub-directories?

Umnikazi wombuzo

Here's a screenshot of all firefox files I found, the folders visible here are empty.

Here's a screenshot of all firefox files I found, the folders visible here are empty.
FredMcD
  • Top 10 Contributor
4224 izisombululo 58962 izimpendulo
Kuphostiwe
These should be more files in that folder. Use these links to create a new profile. Use this new profile '''as is.''' Is the problem still there? '''http://kb.mozillazine.org/Profile_folder_-_Firefox#Navigating_to_the_profile_folder''' '''https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles''' '''https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible'''

Umnikazi wombuzo

I tried using these instruction but the profile manager does not open.

I tried using these instruction but the profile manager does not open.
FredMcD
  • Top 10 Contributor
4224 izisombululo 58962 izimpendulo
Kuphostiwe

Not responding? Error message?

Not responding? Error message?
Happy112 561 izisombululo 5694 izimpendulo
Kuphostiwe

Hi   !
This worked for somebody else the other day:

1 – Head to the Control Panel and click on   'Power Options' 2 – Click the link of the left-hand side   ‘Choose what the power buttons do’ 3 – Click the   ‘Change settings currently unavailable’ link 4 – Tick the   ‘Turn on fast start-up’ box under  'Shut-down' settings

Hi &nbsp; !<BR> This worked for somebody else the other day:<BR> 1 – Head to the Control Panel and click on &nbsp; 'Power Options' 2 – Click the link of the left-hand side &nbsp; ‘Choose what the power buttons do’ 3 – Click the &nbsp; ‘Change settings currently unavailable’ link 4 – Tick the &nbsp; ‘Turn on fast start-up’ box under&nbsp; 'Shut-down' settings<BR>
philipp
  • Top 25 Contributor
  • Moderator
5290 izisombululo 23373 izimpendulo
Kuphostiwe

hi, mozilla just released an update to firefox 49.0.2 that should fix a problem that sound pretty similar to what you've described. you can download this new version from https://www.mozilla.org/en-US/firefox/all/ to see if it works for you too.

hi, mozilla just released an update to firefox 49.0.2 [https://www.mozilla.org/en-US/firefox/49.0.2/releasenotes/ that should fix a problem] that sound pretty similar to what you've described. you can download this new version from https://www.mozilla.org/en-US/firefox/all/ to see if it works for you too.