Estou com o mesmo problema... segue o log.
Additional scan result of Farbar Recovery Scan Tool (x86) Version:31-08-2015
Ran by paula (2015-09-01 17:10:26)
Running from C:\Users\paula\Downloads
Boot Mode: Normal
==========================================================
==================== Accounts: =============================
Administrador (S-1-5-21-1570636431-2002634432-3308993495-500 - Administrator - Disabled)
Convidado (S-1-5-21-1570636431-2002634432-3308993495-501 - Limited - Disabled)
HomeGroupUser$ (S-1-5-21-1570636431-2002634432-3308993495-1002 - Limited - Enabled)
paula (S-1-5-21-1570636431-2002634432-3308993495-1000 - Administrator - Enabled) => C:\Users\paula
==================== Security Center ========================
(If an entry is included in the fixlist, it will be removed.)
AV: avast! Antivirus (Disabled - Up to date) {17AD7D40-BA12-9C46-7131-94903A54AD8B}
AS: Windows Defender (Enabled - Out of date) {D68DDC3A-831F-4fae-9E44-DA132C1ACF46}
AS: avast! Antivirus (Disabled - Up to date) {ACCC9CA4-9C28-93C8-4B81-AFE241D3E736}
==================== Installed Programs ======================
(Only the adware programs with "Hidden" flag could be added to the fixlist to unhide them. The adware programs should be uninstalled manually.)
Adobe Reader XI (11.0.12) - Português (HKLM\...\{AC76BA86-7AD7-1046-7B44-AB0000000001}) (Version: 11.0.12 - Adobe Systems Incorporated)
Avast Free Antivirus (HKLM\...\avast) (Version: 10.3.2225 - AVAST Software)
CCleaner (HKLM\...\CCleaner) (Version: 4.16 - Piriform)
CDBurnerXP (HKLM\...\{7E265513-8CDA-4631-B696-F40D983F3B07}_is1) (Version: 4.4.0.2905 - CDBurnerXP)
Google Chrome (HKLM\...\Google Chrome) (Version: 44.0.2403.157 - Google Inc.)
Google Update Helper (Version: 1.3.25.11 - Google Inc.) Hidden
Google Update Helper (Version: 1.3.28.13 - Google Inc.) Hidden
HP Deskjet 2050 J510 series Ajuda (HKLM\...\{7A3DF2E2-CF13-44FB-A93E-F71D5381DB3F}) (Version: 140.0.61.61 - Hewlett Packard)
HP Deskjet 2050 J510 series Estudo de aprimoramento de produtos (HKLM\...\{D63C6E54-882C-478B-91AB-53D1E89C80BA}) (Version: 28.0.1313.0 - Hewlett-Packard Co.)
HP Deskjet 2050 J510 series Software básico do dispositivo (HKLM\...\{6A653EE1-F8B9-4885-BB4A-E9D9481F626C}) (Version: 28.0.1313.0 - Hewlett-Packard Co.)
HP Photo Creations (HKLM\...\HP Photo Creations) (Version: 1.0.0.7702 - HP)
HP Support Solutions Framework (HKLM\...\{CAF5FFBA-8F3B-409C-9126-74DF66A036DF}) (Version: 12.0.30.81 - Hewlett-Packard Company)
HP Update (HKLM\...\{912D30CF-F39E-4B31-AD9A-123C6B794EE2}) (Version: 5.005.002.002 - Hewlett-Packard)
K-Lite Mega Codec Pack 8.0.0 (HKLM\...\KLiteCodecPack_is1) (Version: 8.0.0 - )
ManyCam 4.0.109 (HKLM\...\ManyCam) (Version: 4.0.109 - Visicom Media Inc.)
Microsoft Office Enterprise 2007 (HKLM\...\ENTERPRISE) (Version: 12.0.4518.1014 - Microsoft Corporation)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148 (HKLM\...\{1F1C2DFC-2D24-3E06-BCB8-725134ADF989}) (Version: 9.0.30729.4148 - Microsoft Corporation)
NVIDIA Drivers (HKLM\...\NVIDIA Drivers) (Version: 1.5 - NVIDIA Corporation)
NVIDIA ForceWare Network Access Manager (HKLM\...\InstallShield_{7CFA46E3-CC2F-4355-82AE-6012DC3633FD}) (Version: 1.00.7313 - NVIDIA Corporation)
Realtek USB 2.0 Card Reader (HKLM\...\{96AE7E41-E34E-47D0-AC07-1091A8127911}) (Version: 6.1.7100.30098 - Realtek Semiconductor Corp.)
TeamViewer 10 (HKLM\...\TeamViewer) (Version: 10.0.45862 - TeamViewer)
WinRAR archiver (HKLM\...\WinRAR archiver) (Version: - )
==================== Custom CLSID (Whitelisted): ==========================
(If an entry is included in the fixlist, it will be removed from the registry. The file will not be moved unless listed separately.)
==================== Restore Points =========================
11-05-2015 16:25:46 Ponto de Verificação Agendado
03-06-2015 14:04:04 avast! antivirus system restore point
31-08-2015 21:04:20 Installed HP Support Solutions Framework
01-09-2015 09:16:02 avast! antivirus system restore point
==================== Hosts content: ==========================
(If needed Hosts: directive could be included in the fixlist to reset Hosts.)
2009-07-13 23:04 - 2014-09-15 11:04 - 00000864 ____A C:\Windows\system32\Drivers\etc\hosts
127.0.0.1 validation.sls.microsoft.com
==================== Scheduled Tasks (Whitelisted) =============
(If an entry is included in the fixlist, it will be removed from the registry. The file will not be moved unless listed separately.)
Task: {338D1438-38B4-4D61-AE40-CE3E81FE1F7F} - System32\Tasks\GoogleUpdateTaskMachineUA => C:\Program Files\Google\Update\GoogleUpdate.exe [2015-08-31] (Google Inc.)
Task: {41E7C652-C760-4851-84F0-B22B79EBDEE9} - System32\Tasks\Adobe Acrobat Update Task => C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe [2015-07-07] (Adobe Systems Incorporated)
Task: {4AF7F961-CD05-419F-9246-421EAB35B8D3} - System32\Tasks\HPCustParticipation HP Deskjet 2050 J510 series => C:\Program Files\HP\HP Deskjet 2050 J510 series\Bin\HPCustPartic.exe [2012-10-02] (Hewlett-Packard Co.)
Task: {607F1040-6EF2-40D4-B0BF-59E188E64F98} - System32\Tasks\avast! Emergency Update => C:\Program Files\AVAST Software\Avast\AvastEmUpdate.exe [2015-09-01] (AVAST Software)
Task: {A560C85B-05A1-4C7E-9D54-AE7155407D5B} - System32\Tasks\Hewlett-Packard\HP Support Assistant\HP Support Solutions Framework Updater => C:\Program Files\Hewlett-Packard\HP Support Solutions\Modules\HPSSFUpdater.exe [2015-06-24] (Hewlett-Packard)
Task: {C581E38C-F5BD-43C5-A9FC-C9142104A710} - System32\Tasks\GoogleUpdateTaskMachineCore => C:\Program Files\Google\Update\GoogleUpdate.exe [2015-08-31] (Google Inc.)
Task: {DCA3432A-17D1-4564-BAC6-C4361ED2C5D1} - System32\Tasks\CCleanerSkipUAC => C:\Program Files\CCleaner\CCleaner.exe [2014-07-23] (Piriform Ltd)
(If an entry is included in the fixlist, the task (.job) file will be moved. The file which is running by the task will not be moved.)
Task: C:\Windows\Tasks\GoogleUpdateTaskMachineCore.job => C:\Program Files\Google\Update\GoogleUpdate.exe
Task: C:\Windows\Tasks\GoogleUpdateTaskMachineUA.job => C:\Program Files\Google\Update\GoogleUpdate.exe
==================== Loaded Modules (Whitelisted) ==============
2015-09-01 09:18 - 2015-09-01 09:18 - 00102864 _____ () C:\Program Files\AVAST Software\Avast\log.dll
2015-09-01 09:18 - 2015-09-01 09:18 - 00123976 _____ () C:\Program Files\AVAST Software\Avast\JsonRpcServer.dll
2015-09-01 13:30 - 2015-09-01 13:30 - 02961408 _____ () C:\Program Files\AVAST Software\Avast\defs\15090100\algo.dll
2014-09-15 19:47 - 2010-03-15 11:28 - 00141824 _____ () C:\Program Files\WinRAR\rarext.dll
2009-07-23 17:23 - 2009-07-23 17:23 - 00387616 _____ () C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcAppFlt.exe
2009-07-23 17:23 - 2009-07-23 17:23 - 00068128 _____ () C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nv_common.dll
2009-07-23 17:23 - 2009-07-23 17:23 - 00436768 _____ () C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\SpecialCase.dll
2009-07-23 17:23 - 2009-07-23 17:23 - 00178720 _____ () C:\Program Files\NVIDIA Corporation\NetworkAccessManager\bin32\nSvcIp.exe
2015-06-03 14:21 - 2015-06-03 14:21 - 40540672 _____ () C:\Program Files\AVAST Software\Avast\libcef.dll
2015-08-21 19:07 - 2015-08-18 02:23 - 01405768 _____ () C:\Program Files\Google\Chrome\Application\44.0.2403.157\libglesv2.dll
2015-08-21 19:07 - 2015-08-18 02:23 - 00081224 _____ () C:\Program Files\Google\Chrome\Application\44.0.2403.157\libegl.dll
2015-06-03 14:21 - 2015-06-03 14:21 - 00985600 _____ () C:\Program Files\AVAST Software\Avast\ffmpegsumo.dll
==================== Alternate Data Streams (Whitelisted) =========
(If an entry is included in the fixlist, only the ADS will be removed.)
==================== Safe Mode (Whitelisted) ===================
(If an entry is included in the fixlist, it will be removed from the registry. The "AlternateShell" value will be restored.)
==================== EXE Association (Whitelisted) ===============
(If an entry is included in the fixlist, the registry item will be restored to default or removed.)
==================== Internet Explorer trusted/restricted ===============
(If an entry is included in the fixlist, it will be removed from the registry.)
==================== Other Areas ============================
(Currently there is no automatic fix for this section.)
HKU\S-1-5-21-1570636431-2002634432-3308993495-1000\Control Panel\Desktop\\Wallpaper -> C:\Users\paula\AppData\Roaming\Microsoft\Windows\Themes\TranscodedWallpaper.jpg
DNS Servers: 192.168.0.1
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System => (ConsentPromptBehaviorAdmin: 5) (ConsentPromptBehaviorUser: 3) (EnableLUA: 1)
Windows Firewall is enabled.
==================== MSCONFIG/TASK MANAGER disabled items ==
(Currently there is no automatic fix for this section.)
==================== FirewallRules (Whitelisted) ===============
(If an entry is included in the fixlist, it will be removed from the registry. The file will not be moved unless listed separately.)
FirewallRules: [SPPSVC-In-TCP] => (Allow) %SystemRoot%\system32\sppsvc.exe
FirewallRules: [SPPSVC-In-TCP-NoScope] => (Allow) %SystemRoot%\system32\sppsvc.exe
FirewallRules: [{F6D89241-A150-4818-A057-8A009E4B92E3}] => (Allow) C:\Program Files\Google\Chrome\Application\chrome.exe
FirewallRules: [{BD63275B-5808-478B-B467-9E95951D1D38}] => (Allow) C:\Program Files\HP\HP Deskjet 2050 J510 series\Bin\USBSetup.exe
FirewallRules: [{92B9FB9E-845C-4624-94AB-D8F436306FBD}] => (Allow) C:\Program Files\TeamViewer\TeamViewer.exe
FirewallRules: [{25FAB2A3-7634-4037-A4AC-F0ED999D27DA}] => (Allow) C:\Program Files\TeamViewer\TeamViewer.exe
FirewallRules: [{2C84E14D-62F3-4F25-82B5-8BC8ABFE6636}] => (Allow) C:\Program Files\TeamViewer\TeamViewer_Service.exe
FirewallRules: [{4C8391D1-E8CA-4D86-BAEF-17A742F643A0}] => (Allow) C:\Program Files\TeamViewer\TeamViewer_Service.exe
==================== Faulty Device Manager Devices =============
Name: Unknown Device
Description: Unknown Device
Class Guid: {36fc9e60-c465-11cf-8056-444553540000}
Manufacturer: (Standard USB Host Controller)
Service:
Problem: : Windows has stopped this device because it has reported problems. (Code 43)
Resolution: One of the drivers controlling the device notified the operating system that the device failed in some manner. For more information about how to diagnose the problem, see the hardware documentation.
Name:
Description:
Class Guid:
Manufacturer:
Service:
Problem: : The drivers for this device are not installed. (Code 28)
Resolution: To install the drivers for this device, click "Update Driver", which starts the Hardware Update wizard.
==================== Event log errors: =========================
Application errors:
==================
Error: (09/01/2015 05:06:37 PM) (Source: Application Hang) (EventID: 1002) (User: )
Description: O programa FRST.exe versão 31.8.2015.0 parou de interagir com o Windows e foi fechado. Para ver se há mais informações disponíveis sobre o problema, verifique o histórico de problemas no painel de controle da Central de Ações.
ID de Processo: 9ec
Hora de Início: 01d0e4f186ecb358
Hora de Término: 55
Caminho do Aplicativo: C:\Users\paula\Downloads\FRST.exe
Id do Relatório:
Error: (09/01/2015 09:16:01 AM) (Source: VSS) (EventID: 8194) (User: )
Description: Erro do Serviço de Cópias de Sombra de Volume: erro inesperado ao consultar a interface IVssWriterCallback. hr = 0x80070005, Acesso negado.
.
Muitas vezes, isso é causado por configurações de segurança incorretas no processo gravador ou solicitante.
Operação:
Obtendo Dados do Gravador
Contexto:
Id de Classe de Gravador: {e8132975-6f93-4464-a53e-1050253ae220}
Nome do Gravador: System Writer
ID de Instância de Gravador: {ee4a65ce-eec0-42d2-ad3e-eef363328692}
Error: (07/16/2015 09:50:58 AM) (Source: MsiInstaller) (EventID: 1024) (User: paula-PC)
Description: Produto: Adobe Reader XI (11.0.11) - Português - A atualização '{AC76BA86-7AD7-0000-2550-7A8C40011012}' não pôde ser instalada. Código de erro 1625. O Windows Installer pode criar logs para ajudar a solucionar problemas na instalação de pacotes de software. Use o link a seguir para obter informações sobre ativação do suporte a registro em log:
http://go.microsoft.com/fwlink/?LinkId=23127Error: (06/03/2015 02:04:03 PM) (Source: VSS) (EventID: 8194) (User: )
Description: Erro do Serviço de Cópias de Sombra de Volume: erro inesperado ao consultar a interface IVssWriterCallback. hr = 0x80070005, Acesso negado.
.
Muitas vezes, isso é causado por configurações de segurança incorretas no processo gravador ou solicitante.
Operação:
Obtendo Dados do Gravador
Contexto:
Id de Classe de Gravador: {e8132975-6f93-4464-a53e-1050253ae220}
Nome do Gravador: System Writer
ID de Instância de Gravador: {731a6413-7663-4077-8e15-56bc88a803f0}
Error: (05/18/2015 08:53:42 AM) (Source: MsiInstaller) (EventID: 1024) (User: paula-PC)
Description: Produto: Adobe Reader XI (11.0.10) - Português - A atualização '{AC76BA86-7AD7-0000-2550-7A8C40011011}' não pôde ser instalada. Código de erro 1625. O Windows Installer pode criar logs para ajudar a solucionar problemas na instalação de pacotes de software. Use o link a seguir para obter informações sobre ativação do suporte a registro em log:
http://go.microsoft.com/fwlink/?LinkId=23127Error: (04/17/2015 06:39:04 PM) (Source: Application Error) (EventID: 1000) (User: )
Description: Nome de aplicativo com falha: chrome.exe, versão: 41.0.2272.76, carimbo de hora: 0x54f10bed
Nome do módulo de falhas: chrome.dll, versão: 41.0.2272.76, carimbo de hora: 0x54f107cb
Código de exceção: 0x80000003
Deslocamento com falha: 0x00502d28
Identificação do processo com falha: 0xe88
Hora de início do aplicativo com falha: 0xchrome.exe0
Caminho do aplicativo com falha: chrome.exe1
FCaminho do módulo de falhas: chrome.exe2
Identificação do Relatório: chrome.exe3
Error: (04/17/2015 06:37:19 PM) (Source: Application Error) (EventID: 1000) (User: )
Description: Nome de aplicativo com falha: chrome.exe, versão: 41.0.2272.76, carimbo de hora: 0x54f10bed
Nome do módulo de falhas: chrome.dll, versão: 41.0.2272.76, carimbo de hora: 0x54f107cb
Código de exceção: 0x80000003
Deslocamento com falha: 0x00502d28
Identificação do processo com falha: 0x984
Hora de início do aplicativo com falha: 0xchrome.exe0
Caminho do aplicativo com falha: chrome.exe1
FCaminho do módulo de falhas: chrome.exe2
Identificação do Relatório: chrome.exe3
Error: (04/17/2015 06:35:42 PM) (Source: Application Error) (EventID: 1000) (User: )
Description: Nome de aplicativo com falha: chrome.exe, versão: 41.0.2272.76, carimbo de hora: 0x54f10bed
Nome do módulo de falhas: chrome.dll, versão: 41.0.2272.76, carimbo de hora: 0x54f107cb
Código de exceção: 0x80000003
Deslocamento com falha: 0x00502d28
Identificação do processo com falha: 0x964
Hora de início do aplicativo com falha: 0xchrome.exe0
Caminho do aplicativo com falha: chrome.exe1
FCaminho do módulo de falhas: chrome.exe2
Identificação do Relatório: chrome.exe3
Error: (04/17/2015 06:35:31 PM) (Source: Application Error) (EventID: 1000) (User: )
Description: Nome de aplicativo com falha: chrome.exe, versão: 41.0.2272.76, carimbo de hora: 0x54f10bed
Nome do módulo de falhas: chrome.dll, versão: 41.0.2272.76, carimbo de hora: 0x54f107cb
Código de exceção: 0x80000003
Deslocamento com falha: 0x00502d28
Identificação do processo com falha: 0x4ac
Hora de início do aplicativo com falha: 0xchrome.exe0
Caminho do aplicativo com falha: chrome.exe1
FCaminho do módulo de falhas: chrome.exe2
Identificação do Relatório: chrome.exe3
Error: (04/17/2015 06:32:49 PM) (Source: Application Error) (EventID: 1000) (User: )
Description: Nome de aplicativo com falha: chrome.exe, versão: 41.0.2272.76, carimbo de hora: 0x54f10bed
Nome do módulo de falhas: chrome.dll, versão: 41.0.2272.76, carimbo de hora: 0x54f107cb
Código de exceção: 0x80000003
Deslocamento com falha: 0x00502d28
Identificação do processo com falha: 0xf2c
Hora de início do aplicativo com falha: 0xchrome.exe0
Caminho do aplicativo com falha: chrome.exe1
FCaminho do módulo de falhas: chrome.exe2
Identificação do Relatório: chrome.exe3
System errors:
=============
Error: (09/01/2015 04:27:35 PM) (Source: WMPNetworkSvc) (EventID: 14332) (User: )
Description: WMPNetworkSvc0x80004005
Error: (09/01/2015 04:27:04 PM) (Source: Service Control Manager) (EventID: 7026) (User: )
Description: Falha ao carregar o(s) seguinte(s) driver(s) de início do sistema ou de inicialização:
cdrom
Error: (09/01/2015 11:47:33 AM) (Source: Microsoft-Windows-HAL) (EventID: 12) (User: )
Description: O firmware da plataforma corrompeu a memória na transição de energia anterior. Use um firmware atualizado em seu sistema.
Error: (09/01/2015 09:23:24 AM) (Source: WMPNetworkSvc) (EventID: 14332) (User: )
Description: WMPNetworkSvc0x80004005
Error: (09/01/2015 09:22:49 AM) (Source: Service Control Manager) (EventID: 7026) (User: )
Description: Falha ao carregar o(s) seguinte(s) driver(s) de início do sistema ou de inicialização:
cdrom
Error: (09/01/2015 08:51:45 AM) (Source: Service Control Manager) (EventID: 7026) (User: )
Description: Falha ao carregar o(s) seguinte(s) driver(s) de início do sistema ou de inicialização:
cdrom
Error: (08/31/2015 11:11:06 PM) (Source: Service Control Manager) (EventID: 7026) (User: )
Description: Falha ao carregar o(s) seguinte(s) driver(s) de início do sistema ou de inicialização:
cdrom
Error: (08/31/2015 07:55:05 PM) (Source: WMPNetworkSvc) (EventID: 14332) (User: )
Description: WMPNetworkSvc0x80004005
Error: (08/31/2015 07:54:19 PM) (Source: Service Control Manager) (EventID: 7026) (User: )
Description: Falha ao carregar o(s) seguinte(s) driver(s) de início do sistema ou de inicialização:
cdrom
Error: (08/31/2015 07:08:57 PM) (Source: Tcpip) (EventID: 4199) (User: )
Description: O sistema detectou um conflito de endereço entre o endereço IP 192.168.0.100 e o sistema
que possui o endereço de hardware de rede AC-36-13-41-64-28. Como resultado desse conflito, as operações de rede nesse sistema podem ser
interrompidas.
Microsoft Office:
=========================
==================== Memory info ===========================
Processor: Intel(R) Atom(TM) CPU N270 @ 1.60GHz
Percentage of memory in use: 56%
Total physical RAM: 1789.97 MB
Available physical RAM: 776.81 MB
Total Virtual: 3579.95 MB
Available Virtual: 2316.17 MB
==================== Drives ================================
Drive c: () (Fixed) (Total:97.56 GB) (Free:57.99 GB) NTFS
Drive d: () (Fixed) (Total:135.23 GB) (Free:104.25 GB) NTFS
Drive e: (Reservado pelo Sistema) (Fixed) (Total:0.1 GB) (Free:0.07 GB) NTFS ==>[system with boot components (obtained from reading drive)]
==================== MBR & Partition Table ==================
========================================================
Disk: 0 (MBR Code: Windows 7 or

(Size: 232.9 GB) (Disk ID: DA1DCD93)
Partition 1: (Active) - (Size=100 MB) - (Type=07 NTFS)
Partition 2: (Not Active) - (Size=97.6 GB) - (Type=07 NTFS)
Partition 3: (Not Active) - (Size=135.2 GB) - (Type=07 NTFS)
==================== End of Addition.txt ============================