Problemy Firefox diagnosticěrowaś a rozwězaś

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Most problems with Firefox can be fixed by following the troubleshooting methods described below. Try these steps in order. If one doesn't work, move on to the next one. If you need extra help with any of this, we have a community of volunteers standing by.

1. Restart your computer

Sometimes problems can be fixed by simply restarting your computer and then starting Firefox again.

2. Clear your cookies and cache

Many problems with loading web pages can be resolved by clearing Firefox's cookies and cache:

  1. Klikniśo na menijowy tłocašk Wobraz "fx57menu" njeeksistěrujo.Fx89menuButton, aby menijowe wokno wócynił. Klikniśo na tłócašk biblioteki 57 library icon w swójej symbolowej rědce. (Jolic ju tam njewiźiśo, klikniśo na menijowy tłocašk Wobraz "fx57menu" njeeksistěrujo. a pótom na Bibliotekaklikniśoc na menijowy tłocašk Wobraz "fx89menuButton" njeeksistěrujo..)
  2. Klikniśo na Historija a wubjeŕśo Aktualnu historiju wuprozniś….
  3. Wubjeŕśo we wuběrańskem pólu Cas za wuproznjenje: Wšykno.
  4. Wubjeŕśo pód wuběrańskim menijom ako Cookieje tak teke Pufrowak. Pśeznańśo se, až druge zapiski, kótarež cośo wobchowaś, njejsu wubrane.
  5. Klikniśo na W pórěźe.
For more information, see Pśeglědowańsku, pytańsku a ześěgnjeńsku historiju lašowaś.

3. Restart Firefox in Safe Mode

Firefox Safe Mode is a troubleshooting mode that disables all extensions, uses the default theme, turns off hardware acceleration, and uses default toolbar settings and controls, among other things. To start Firefox in Safe Mode:

  1. Klikniśo na menijowy tłocašk Fx89menuButton, pótom na Pomoc, wubjeŕśo Modus za rozwězowanje problemow… a klikniśo na Znowego startowaś w dialogu Firefox w modusu za rozwězowanje problemow znowego startowaś?.

    Pokaz: Móžośo teke tastu ⇧ tłocyś, mjaztym až Firefox startujośo, aby Firefox w modusu za rozwězowanje problemow startował.tastu ⌥ tłocyś, mjaztym až Firefox startujośo, aby Firefox w modusu za rozwězowanje problemow startował.Firefox skóńcys, pótom do swójogo terminala hyś a firefox -safe-mode pśewjasć.
    Musyśo snaź instalěrowańsku sćažku pódaś (na pś. /usr/lib/firefox).
  2. In the Firefox Safe Mode dialog, click Start in Safe Mode.
  3. Check whether your problem is still happening while in Safe Mode.

4. Troubleshoot your plugins

Sometimes plugins used in Firefox (such as Adobe Reader, Flash, Java, Silverlight and QuickTime) can cause problems that may be fixed in the latest version. To check to see if you have the latest plugin versions, go to our Plugin Check page. If any of your plugins are outdated, click Update and follow the instructions for updating that plugin. After you've updated all of your plugins, restart Firefox: Pśedłoga "closefirefox" njeeksistěrujo abo njama pśizwólonu wersiju. then start Firefox again. If the problem still happens, you can disable all of your plugins to see if one of them is the cause:

  1. Klikniśo na menijowy tłocašk Fx89menuButton pótom na Dodanki a drastwy a wubjeŕśo Plugins.
  2. Click each plugin in the list and then select Never Activate in its drop-down menu.
  3. Check whether your problem happens when you have all plugins disabled.

If your problem goes away when your plugins are disabled, see the Zmólki z tykacami ako Flash abo Java pytaś, aby se ceste problemy z Firefox rozwězali article to learn how to narrow down the cause.

5. Reinstall Firefox

Some Firefox issues can be caused by a problem with one of the Firefox program files. Follow these steps to completely remove and reinstall Firefox. This process will not remove your Firefox profile data (such as bookmarks and passwords), since that information is stored in a different location.

Note: You might want to print these steps or view them in another browser.
  1. Download the latest official version of Firefox from mozilla.org.
  2. Exit Firefox: Pśedłoga "closefirefox" njeeksistěrujo abo njama pśizwólonu wersiju.
  3. Firefox wótinstalěrowaś.
  4. Delete the Firefox program folder, which is located in one of these locations by default:
    • C:\Program Files\Mozilla Firefox
    • C:\Program Files (x86)\Mozilla Firefox
  5. Reinstall Firefox - see Firefox na Windows ześěgnuś a instalěrowaś for instructions.
  1. Download the latest official version of Firefox from mozilla.org.
  2. Quit Firefox: Pśedłoga "closefirefox" njeeksistěrujo abo njama pśizwólonu wersiju.
  3. Firefox wótinstalěrowaś by opening the Applications folder in the Finder and dragging the Firefox application to the Trash.
  4. Reinstall Firefox - see Kak Firefox na Mac ześěgnuś a instalěrowaś for instructions.
  1. Download the latest official version of Firefox from mozilla.org.
  2. Quit Firefox: Pśedłoga "closefirefox" njeeksistěrujo abo njama pśizwólonu wersiju.
  3. Uninstall Firefox - If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Firefox na Linux instalěrowaś for details. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory to uninstall Firefox.
  4. Reinstall Firefox - see Firefox na Linux instalěrowaś for instructions.

Now start Firefox and check to see if your problem has been fixed.If it hasn't, continue with the next troubleshooting method.

6. Reset Firefox

The Reset Firefox feature can fix many issues by restoring your Firefox profile to its default state while saving your essential information.

Pokaz: Gaž wužywaśo funkciju Wótnowiś, budu se waše cytańske znamjenja, waša pśeglědowańska historija, waše wócynjone rejtariki, waše wokna, waše gronidła, waše cookieje a waše daty awtomatiskego wudopołnjenja formularow składowaś. Waše rozšyrjenja a drastwy pak wótpóraju se a waše nastajenja stajiju se slědk. Dalšne informacije.
  1. Klikniśo na menijowy tłocašk Fx57Menu, pótom na Pomoc a wubjeŕśo Informacije wó rozwězowanju problemowInformacije wó rozwězowanju problemow.
  2. Klikniśo na Firefox wótnowiś, pótom na Firefox wótnowiś we wobkšuśeńskem woknje, kótarež se wócynja. Firefox se zacynijo, aby se wótnowił.
  3. Za tym až to jo dokóńcone, wokno waše importěrowane informacije pokažo. Klikniśo na tłocašk Dokóńcyś. Firefox se wócynijo.
  4. Wubjeŕśo, lěc cośo, až Firefox ma wšykne abo někotare wokna a rejtariki wótnowiś a klikniśo na tłocašk Zachopmy!.
  1. Klikniśo na menijowy tłocašk Fx57Menu, pótom na Pomoc a wubjeŕśo Informacije wó rozwězowanju problemowInformacije wó rozwězowanju problemow.
  2. Klikniśo na Firefox wótnowiś, pótom na Firefox wótnowiś we wobkšuśeńskem woknje, kótarež se wócynja. Firefox se zacynijo, aby se wótnowił.
  3. Za tym až to jo dokóńcone, wokno waše importěrowane informacije pokažo. Klikniśo na tłocašk Dokóńcyś. Firefox se wócynijo.
Pokaz: Dalšny tłocašk Firefox wótnowiś jo we woknje modus za rozwězowanje problemowwěstego modusa, jolic njamóžośo Firefox normalnje startowaś. Móžośo teke manuelne wótnowjenje pśewjasć, gaž nowy profil napórajośo a swóje wažne daty do nowego profila pśenosujośo.

6. Refresh Firefox

The Refresh Firefox feature can fix many issues by restoring your Firefox profile to its default state while saving your essential information.

Pokaz: Gaž wužywaśo funkciju Wótnowiś, budu se waše cytańske znamjenja, waša pśeglědowańska historija, waše wócynjone rejtariki, waše wokna, waše gronidła, waše cookieje a waše daty awtomatiskego wudopołnjenja formularow składowaś. Waše rozšyrjenja a drastwy pak wótpóraju se a waše nastajenja stajiju se slědk. Dalšne informacije.
  1. Klikniśo na menijowy tłocašk Fx57Menu, pótom na Pomoc a wubjeŕśo Informacije wó rozwězowanju problemowInformacije wó rozwězowanju problemow.
  2. Klikniśo na Firefox wótnowiś, pótom na Firefox wótnowiś we wobkšuśeńskem woknje, kótarež se wócynja. Firefox se zacynijo, aby se wótnowił.
  3. Za tym až to jo dokóńcone, wokno waše importěrowane informacije pokažo. Klikniśo na tłocašk Dokóńcyś. Firefox se wócynijo.
  4. Wubjeŕśo, lěc cośo, až Firefox ma wšykne abo někotare wokna a rejtariki wótnowiś a klikniśo na tłocašk Zachopmy!.
  1. Klikniśo na menijowy tłocašk Fx57Menu, pótom na Pomoc a wubjeŕśo Informacije wó rozwězowanju problemowInformacije wó rozwězowanju problemow.
  2. Klikniśo na Firefox wótnowiś, pótom na Firefox wótnowiś we wobkšuśeńskem woknje, kótarež se wócynja. Firefox se zacynijo, aby se wótnowił.
  3. Za tym až to jo dokóńcone, wokno waše importěrowane informacije pokažo. Klikniśo na tłocašk Dokóńcyś. Firefox se wócynijo.
Pokaz: Dalšny tłocašk Firefox wótnowiś jo we woknje modus za rozwězowanje problemowwěstego modusa, jolic njamóžośo Firefox normalnje startowaś. Móžośo teke manuelne wótnowjenje pśewjasć, gaž nowy profil napórajośo a swóje wažne daty do nowego profila pśenosujośo.

7. Create a new Firefox profile

Sometimes files in your Firefox profile folder that correspond to the essential information that a Firefox ResetRefresh doesn't remove (such as bookmarks and browsing history) may be causing the issue. You can create a new, additional profile which will not contain any of your old Firefox data. See Profile Firefox z pomocu profilowego zastojnika załožyś a wulašowaś for instructions.

Other solutions

If you've tried all of these troubleshooting methods and you're still having problems the issue may be with other software or hardware.

This section does not contain step-by-step instructions. For more information on any of these solutions, please check the related documentation.

Check for conflicts with your Internet security software

Some Internet security software (including antivirus, antispyware, and firewall programs) can cause problems with Firefox including blocking it from opening websites, crashes, and more. Often you can open the program's settings, remove Firefox from its list of allowed or trusted programs and it will be re-detected and things should start working again. If your program is listed at the Wognjowe murje tak konfigurěrowaś, aby Firefox mógał z internetom zwězaś article, you can get specific instructions for how to properly reconfigure it.

Scan your system for viruses and spyware

Periodically, you should scan your system for viruses, spyware, or other malware. These free malware removal tools are often useful:

If you need more help removing malware, see Problemy Firefox rozwězaś, kótarež zawinuju se pśez škódne programy.

Check your hard drive and RAM for errors

A problem with your computer's hard drive or RAM may prevent Firefox from running or make it crash repeatedly. Here are instructions or tools for checking:



Based on information from Standard diagnostic - Firefox (mozillaZine KB)