ok, tried to do it on safe mode and gave me an error saying.
Error procesing packages.
Please use full update.
And then this:
22.12.2011 23:08:49 general: Started: 22.12.2011, 23:08:49
22.12.2011 23:08:49 general: Running setup_ais-509 (1289)
22.12.2011 23:08:49 system: Operating system: Windows 7 ver 6.1, build 7600, sp 0.0 x64
22.12.2011 23:08:49 system: Memory: 13% load. Phys:4194303/4194303K free, Page:4194303/4194303K free, Virt:2029324/2097024K free
22.12.2011 23:08:49 system: Computer WinName: USUARIO-PC
22.12.2011 23:08:49 system: Windows Net User: Usuario-PC\Usuario
22.12.2011 23:08:49 general: Cmdline: /uninstwiz
22.12.2011 23:08:49 general: Old version: 509 (1289)
22.12.2011 23:08:49 registry: Deleted registry: Software\AVAST Software\Avast\UpdateReady
22.12.2011 23:08:49 system: Using temp: C:\Users\Usuario\AppData\Local\Temp\_asw_aisI.tm~a01492 (251384M free)
22.12.2011 23:08:49 general: SGW32AIS::CheckIfInstalled set m_bAlreadyInstalled to 1
22.12.2011 23:08:49 general: DldSrc set to inet
22.12.2011 23:08:49 internet: SYNCER: Agent=Syncer/5.00 (ais-1289;p)
22.12.2011 23:08:49 system: Computer DnsName: Usuario-PC
22.12.2011 23:08:49 system: Computer Ip Addr: 192.168.1.2
22.12.2011 23:08:49 system: Installed in: C:\Program Files\AVAST Software\Avast (251384M free)
22.12.2011 23:08:49 internet: SYNCER: Type: use IE settings
22.12.2011 23:08:49 internet: SYNCER: Auth: another authentication, use WinInet
22.12.2011 23:08:49 package: Part prg_ais-509 is installed
22.12.2011 23:08:49 package: Part vps_win32-11122200 is installed
22.12.2011 23:08:49 package: Part setup_ais-509 is installed
22.12.2011 23:08:49 package: Part jrog-a7 is installed
22.12.2011 23:08:49 package: Part jrog2-3b9 is installed
22.12.2011 23:08:49 general: LoadState: Edition=1
22.12.2011 23:08:49 general: Old version: 509 (1289)
22.12.2011 23:08:49 file: SetExistingFilesBitmap: 944->430->429
22.12.2011 23:08:49 general: GUID: 49695e14-7f89-453f-9a78-83a5dd1e8ed3
22.12.2011 23:08:49 general: Server definition(s) loaded for 'main': 255 (maintenance:0)
22.12.2011 23:08:49 general: SelectCurrent: selected server 'Download323 AVAST5 Server' from 'main'
22.12.2011 23:08:49 internet: SYNCER: Type: use IE settings
22.12.2011 23:08:49 internet: SYNCER: Auth: another authentication, use WinInet
22.12.2011 23:08:54 general: Operation set to INST_OP_REPAIR
22.12.2011 23:08:54 general: Entered SetupProcessAIS::Do( INST_OP_REPAIR )
22.12.2011 23:08:54 general: Entered SetupProcessWin32Avast::Do( INST_OP_REPAIR )
22.12.2011 23:08:54 general: Entered SetupProcessWin32::Do( INST_OP_REPAIR )
22.12.2011 23:08:54 general: Entered SetupProcess::Do( INST_OP_REPAIR )
22.12.2011 23:08:54 general: Entered SetupProcessAIS::Do( INST_OP_UPDATE_INSTALL_PACKAGES )
22.12.2011 23:08:54 general: Entered SetupProcessWin32Avast::Do( INST_OP_UPDATE_INSTALL_PACKAGES )
22.12.2011 23:08:54 general: Entering:UpdateInstallPackages
22.12.2011 23:08:54 general: progress thread start
22.12.2011 23:08:54 package: LoadProductVpu: C:\Program Files\AVAST Software\Avast\Setup\prod-ais.vpx
22.12.2011 23:08:54 package: ERROR: Unable to verify prod-ais.vpx, error 0x2000000B
22.12.2011 23:08:54 package: Error processing packages. 0x20000011