You have adaware antivirus and elements of AVG antivirus on the system these need to be removed if you wish to install Avast

THIS FIX MUST BE RUN FROM SAFE MODE

CAUTION : This fix is only valid for this specific machine, using it on another may break your computer

Open notepad and copy/paste the text in the quotebox below into it:

CreateRestorePoint: HKLM-x32\...\Run: [avast] => C:\Program Files\AVAST Software\Avast\avastUI.exe [4858968 2013-05-09] (AVAST Software) ShellIconOverlayIdentifiers: [00avast] -> {472083B0-C522-11CF-8763-00608CC02F24} => C:\Program Files\AVAST Software\Avast\ashShA64.dll [2013-05-09] (AVAST Software) SearchScopes: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> DefaultScope {014DB5FA-EAFB-4592-A95B-F44D3EE87FA9} URL = hxxp://www.trovigo.com/Results.aspx?gd=&ctid=CT3322168&octid=EB_ORIGINAL_CTID&SearchSource=58&CUI=&UM=5&UP=SPB0B433A1-BFF1-48BC-A254-066DDE6CD45D&q={searchTerms}&SSPV= SearchScopes: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> {014DB5FA-EAFB-4592-A95B-F44D3EE87FA9} URL = hxxp://www.trovigo.com/Results.aspx?gd=&ctid=CT3322168&octid=EB_ORIGINAL_CTID&SearchSource=58&CUI=&UM=5&UP=SPB0B433A1-BFF1-48BC-A254-066DDE6CD45D&q={searchTerms}&SSPV= SearchScopes: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> {0ECDF796-C2DC-4d79-A620-CCE0C0A66CC9} URL = hxxp://www.buenosearch.com/?q={searchTerms}&babsrc=SP_ss&mntrId=E663AC811282E87F&affID=128491&tsp=5190 SearchScopes: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> {EEE6C360-6118-11DC-9C72-001320C79847} URL = hxxp://search.sweetim.com/search.asp?src=6&q={searchTerms} BHO: avast! Online Security -> {318A227B-5E9F-45bd-8999-7F8F10CA4CF5} -> C:\Program Files\AVAST Software\Avast\aswWebRepIE64.dll [2013-05-09] (AVAST Software) BHO-x32: AVG Safe Search -> {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} -> Pas de fichier BHO-x32: Facetheme -> {de4e75d3-60aa-4f02-a0e4-c8a40576574c} -> C:\Program Files (x86)\Object\bho_project.dll => Pas de fichier BHO-x32: SweetIM Toolbar Helper -> {EEE6C35C-6118-11DC-9C72-001320C79847} -> C:\Program Files (x86)\SweetIM\Toolbars\Internet Explorer\mgToolbarIE.dll => Pas de fichier Toolbar: HKLM-x32 - SweetIM Toolbar for Internet Explorer - {EEE6C35B-6118-11DC-9C72-001320C79847} - C:\Program Files (x86)\SweetIM\Toolbars\Internet Explorer\mgToolbarIE.dll Pas de fichier Toolbar: HKLM-x32 - avast! Online Security - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll [2013-05-09] (AVAST Software) Toolbar: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> Pas de nom - {EEE6C35B-6118-11DC-9C72-001320C79847} - Pas de fichier Toolbar: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> Pas de nom - {E7DF6BFF-55A5-4EB7-A673-4ED3E9456D39} - Pas de fichier Toolbar: HKU\S-1-5-21-823894485-2802249775-2189785531-1001 -> Pas de nom - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - Pas de fichier FF NewTab: hxxp://www.trovigo.com/?gd=&ctid=CT3322168&octid=EB_ORIGINAL_CTID&SearchSource=69&CUI=&SSPV=&Lay=1&UM=5&UP=SPB0B433A1-BFF1-48BC-A254-066DDE6CD45D FF user.js: detected! => C:\Users\Gabriel\AppData\Roaming\Mozilla\Firefox\Profiles\t9wnhz6t.default\user.js [2014-03-18] FF SearchPlugin: C:\Users\Gabriel\AppData\Roaming\Mozilla\Firefox\Profiles\t9wnhz6t.default\searchplugins\buenosearch.xml [2014-03-18] FF SearchPlugin: C:\Users\Gabriel\AppData\Roaming\Mozilla\Firefox\Profiles\t9wnhz6t.default\searchplugins\sweetim.xml [2011-10-23] FF SearchPlugin: C:\Users\Gabriel\AppData\Roaming\Mozilla\Firefox\Profiles\t9wnhz6t.default\searchplugins\trovi-search.xml [2014-05-12] FF SearchPlugin: C:\Program Files (x86)\mozilla firefox\browser\searchplugins\wtu-secure-search.xml [2014-12-11] FF HKLM-x32\...\Firefox\Extensions: [wrc@avast.com] - C:\Program Files\AVAST Software\Avast\WebRep\FF FF Extension: avast! Online Security - C:\Program Files\AVAST Software\Avast\WebRep\FF [2014-10-03] [non signé] R2 avast! Antivirus; C:\Program Files\AVAST Software\Avast\AvastSvc.exe [46808 2013-05-09] (AVAST Software) R2 aswFsBlk; C:\Windows\System32\Drivers\aswFsBlk.sys [33400 2014-01-22] (AVAST Software) R2 aswMonFlt; C:\windows\system32\drivers\aswMonFlt.sys [80816 2014-01-22] (AVAST Software) R1 aswRdr; C:\Windows\System32\Drivers\aswrdr2.sys [72016 2014-01-22] (AVAST Software) R0 aswRvrt; C:\Windows\System32\Drivers\aswRvrt.sys [65336 2014-01-22] () R1 aswSnx; C:\Windows\System32\Drivers\aswSnx.sys [1031392 2014-12-08] (AVAST Software) R1 aswSP; C:\Windows\System32\Drivers\aswSP.sys [378944 2014-01-22] (AVAST Software) R1 aswTdi; C:\Windows\System32\Drivers\aswTdi.sys [64288 2014-01-22] (AVAST Software) R0 aswVmm; C:\Windows\System32\Drivers\aswVmm.sys [189936 2014-01-22] () 2015-11-11 23:23 - 2015-01-11 10:06 - 00000000 ____D C:\ProgramData\Systweak 2015-11-11 23:23 - 2014-03-18 21:15 - 00000000 ____D C:\Users\Gabriel\AppData\Roaming\systweak Task: {7704ACEF-BCC1-45CF-925D-E412B0A102D0} - System32\Tasks\{EBBC0806-4790-4D5A-9DB6-19BC8CEE9A82} => pcalua.exe -a "C:\Program Files\AVAST Software\Avast\aswRunDll.exe" -c "C:\Program Files\AVAST Software\Avast\Setup\setiface.dll" RunSetup C:\Program Files\AVAST Software Hosts: EmptyTemp: CMD: bitsadmin /reset /allusers

Save this as fixlist.txt, in the same location as FRST.exe

https://dl.dropboxusercontent.com/u/73555776/FRSTfix.JPG

Run FRST and press Fix
On completion a log will be generated please post that

THEN

Please download AdwCleaner by Xplode onto your desktop.

[*]Close all open programs and internet browsers.
[*]Double click on AdwCleaner.exe to run the tool.
[*]Click on Scan.
[*]After the scan is complete click on “Clean”
[*]Confirm each time with Ok.
[*]Your computer will be rebooted automatically. A text file will open after the restart.
[*]Please post the content of that logfile with your next answer.
[*]You can find the logfile at C:\AdwCleaner[S0].txt as well.