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How do I fix an AppHangB1?

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Problem signature:

 Problem Event Name:	AppHangB1
 Application Name:	firefox.exe
 Application Version:	1.9.2.3989
 Application Timestamp:	4cf9293f
 Hang Signature:	a78c
 Hang Type:	1
 OS Version:	6.0.6002.2.2.0.768.3
 Locale ID:	1033
 Additional Hang Signature 1:	94418c06bffdd548499cef66d0bba33f
 Additional Hang Signature 2:	585d
 Additional Hang Signature 3:	054ce107725f79632b6f9b69c0bcc790
 Additional Hang Signature 4:	2922
 Additional Hang Signature 5:	cd8b59a88dcd9bf2b417bd48a2fa009b
 Additional Hang Signature 6:	eba6
 Additional Hang Signature 7:	c004cce6c9641afe56ef01c9cd87ae7f
Problem signature: Problem Event Name: AppHangB1 Application Name: firefox.exe Application Version: 1.9.2.3989 Application Timestamp: 4cf9293f Hang Signature: a78c Hang Type: 1 OS Version: 6.0.6002.2.2.0.768.3 Locale ID: 1033 Additional Hang Signature 1: 94418c06bffdd548499cef66d0bba33f Additional Hang Signature 2: 585d Additional Hang Signature 3: 054ce107725f79632b6f9b69c0bcc790 Additional Hang Signature 4: 2922 Additional Hang Signature 5: cd8b59a88dcd9bf2b417bd48a2fa009b Additional Hang Signature 6: eba6 Additional Hang Signature 7: c004cce6c9641afe56ef01c9cd87ae7f

All Replies (3)

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https://support.mozilla.com/en-US/kb/Firefox+crashes#Getting_help_with_your_crash

Type about:crashes in the URL bar and hit Enter.
Click the hyperlinks to bring up the Crash Report pages and copy'n'paste the URL of each of those reports into the message box here. We'll see if we can help you figure out what is causing those crashes to happen.

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There are no crash reports whatsoever - it's *apphangs*, not crashes - and they've become nearly constant with me for the last month or two, some it may recover more or less quickly on it's own, others it just won't. That, no matter whether I disable *all* add ons, flash, or not. It just became pointless.

Just for the record, while I was typing this it froze no less than 3 (three) times - the 2 last I had to kill it to recover:

Assinatura do problema:

 Nome do Evento de Problema:	AppHangB1
 Nome da aplicação:	firefox.exe
 Versão da aplicação:	6.0.0.4143
 Carimbo de Data/Hora da Aplicação:	4dc40807
 Assinatura de Bloqueio:	108f
 Tipo de Bloqueio:	1
 Versão do SO:	6.1.7601.2.1.0.256.1
 ID de Região:	2070
 Assinatura Bloqueio Adicional 1:	108f76aca2ab230fec31fa5f2d2f50b4
 Assinatura Bloqueio Adicional 2:	527b
 Assinatura Bloqueio Adicional 3:	527bd619a1a0635d38956cea4176212a
 Assinatura Bloqueio Adicional 4:	e53d
 Assinatura Bloqueio Adicional 5:	e53d058469d107f9e6d8a7abdf54af33
 Assinatura Bloqueio Adicional 6:	368a
 Assinatura Bloqueio Adicional 7:	368a64536cb55ed0ef16d94c6e570488

Assinatura do problema:

 Nome do Evento de Problema:	AppHangB1
 Nome da aplicação:	firefox.exe
 Versão da aplicação:	6.0.0.4143
 Carimbo de Data/Hora da Aplicação:	4dc40807
 Assinatura de Bloqueio:	b356
 Tipo de Bloqueio:	0
 Versão do SO:	6.1.7601.2.1.0.256.1
 ID de Região:	2070
 Assinatura Bloqueio Adicional 1:	b35690949e028cc916bf08013f7e95d0
 Assinatura Bloqueio Adicional 2:	cf28
 Assinatura Bloqueio Adicional 3:	cf28fe697ee0a0353a54daddc9ff1284
 Assinatura Bloqueio Adicional 4:	b356
 Assinatura Bloqueio Adicional 5:	b35690949e028cc916bf08013f7e95d0
 Assinatura Bloqueio Adicional 6:	cf28
 Assinatura Bloqueio Adicional 7:	cf28fe697ee0a0353a54daddc9ff1284

Assinatura do problema:

 Nome do Evento de Problema:	AppHangB1
 Nome da aplicação:	firefox.exe
 Versão da aplicação:	6.0.0.4143
 Carimbo de Data/Hora da Aplicação:	4dc40807
 Assinatura de Bloqueio:	2b5b
 Tipo de Bloqueio:	0
 Versão do SO:	6.1.7601.2.1.0.256.1
 ID de Região:	2070
 Assinatura Bloqueio Adicional 1:	2b5b736d2f656777b3280e971bc24aa0
 Assinatura Bloqueio Adicional 2:	8a4c
 Assinatura Bloqueio Adicional 3:	8a4c8bd87572dcb2c6335397fbeca337
 Assinatura Bloqueio Adicional 4:	2b5b
 Assinatura Bloqueio Adicional 5:	2b5b736d2f656777b3280e971bc24aa0
 Assinatura Bloqueio Adicional 6:	8a4c
 Assinatura Bloqueio Adicional 7:	8a4c8bd87572dcb2c6335397fbeca337
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Problem Event Name: AppHangB1

 Application Name:	firefox.exe
 Application Version:	8.0.0.4325
 Application Timestamp:	4eb4a985
 Hang Signature:	0b0b
 Hang Type:	0
 OS Version:	6.1.7601.2.1.0.256.48
 Locale ID:	1033
 Additional Hang Signature 1:	0b0b72c9ff9f246152844f391a232af3
 Additional Hang Signature 2:	87d2
 Additional Hang Signature 3:	87d2cc3ab6b30614d095e3783fa08a37
 Additional Hang Signature 4:	0b0b
 Additional Hang Signature 5:	0b0b72c9ff9f246152844f391a232af3
 Additional Hang Signature 6:	87d2
 Additional Hang Signature 7:	87d2cc3ab6b30614d095e3783fa08a37