Wyglada to na problem sprzetowy.
Daj screen z CrystalDiskInfo:
http://portableapps.com/apps/utilities/crystaldiskinfo_portable
Wykonaj:
https://support.mozilla.org/pl/kb/przywracanie-domyslnych-ustawien-firefoksa-latwe-r
Odinstaluj:
Bing Bar (HKLM-x32\...\{1E03DB52-D5CB-4338-A338-E526DD4D4DB1}) (Version: 7.0.610.0 - Microsoft Corporation)
ClamWin Free Antivirus 0.98.1 (HKLM-x32\...\ClamWin Free Antivirus_is1) (Version: - alch)
COMODO Antivirus (HKLM\...\{2736B6BD-31EC-4FC8-A48C-F0A5C914C0B6}) (Version: 7.0.55655.4142 - COMODO Security Solutions Inc.)
Obok frst.exe utworz plik fixlist.txt:
Task: {6C402FD8-9508-47D7-8722-A849C5394FE3} - \globalUpdateUpdateTaskMachineUA No Task File <==== ATTENTION
Task: {80D7A63D-C105-4B52-B28B-5AAC87CF7A86} - \globalUpdateUpdateTaskMachineCore No Task File <==== ATTENTION
Task: {DEEE77A9-0FD4-4935-A30A-F3BAFA7ACBEF} - \a7982934-0630-49b5-bdb1-d23d83f53ffd-4 No Task File <==== ATTENTION
SearchScopes: HKLM-x32 - DefaultScope value is missing.
S1 {8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gt; C:\Windows\System32\drivers\{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gt.sys [55232 2014-05-22] (StdLib)
S1 {8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gw64; C:\Windows\System32\drivers\{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gw64.sys [61120 2014-05-22] (StdLib)
S3 atillk64; \??\C:\Program Files (x86)\AMD\System Monitor\atillk64.sys [X]
2014-06-13 15:56 - 2014-06-13 15:56 - 00000000 __SHD () C:\found.001
2014-06-08 18:18 - 2014-06-08 18:18 - 00000000 __SHD () C:\found.000
2014-06-05 14:33 - 2014-06-05 14:52 - 00000000 ____D () C:\AdwCleaner
2014-06-01 11:27 - 2014-05-22 18:24 - 00055232 _____ (StdLib) C:\Windows\system32\Drivers\{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gt.sys
2014-06-01 03:41 - 2014-05-22 18:24 - 00061120 _____ (StdLib) C:\Windows\system32\Drivers\{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}Gw64.sys
2014-05-30 00:10 - 2014-06-03 12:16 - 00000000 ____D () C:\Program Files (x86)\McAfee Security Scan
2014-05-30 00:10 - 2014-05-30 00:10 - 00000000 ____D () C:\ProgramData\McAfee
W Frst wybierz Fix.