avast! Free Antivirus version 5.0.462

I had been having problems with my Windows XP (SP3) Gateway where any time avast! 4.x would pop up to announce virus definitions have been updated the machine would blue screen with IRQ_NOT_LT_EQ or PFL_List_Corrupt. Since avast! updates a couple of times a day I would blue screen a couple of times a day. I decided I would try the avast! 5 to see if that resolved the BSOD problem. It did to some extent but I still am blue screening but less frequently. My problem now is yesterday avast! Free version 5.x reported my system was “unsecure” I clicked the start buttons and tried via Windows Administrative Tools → services but it wouldn’t start. I found command line tools and updated my program and definitions then was able to start the service. Today the machine blue screened while trying to load Inferior Explorer. When the system booted avast! 5.0.462 is again in an unsecure status. I tried starting services, they start then stop. The tool in the GUI fails to start the service. I tried the command line but it says the definitions and program are already up to date.

Do I have to roll back to version 4?


Welcome to the forums, jjrowan :slight_smile:

Please try a repair of avast to see if that will help.

To do a repair of avast :

Control panel > Add/remove programs > click once on avast to select it > click on Change/Remove > scroll down the left pane and click on repair > click OK > follow directions.


I did as you suggested, Control Panel → Add & Remove Programs → Avast Antivirus → Change/Remove → Repair.

A box popped up with red X stating Error processing packages. Please use full update. Contents of log below:

25.03.2010 08:15:04 general: Started: 25.03.2010, 08:15:04
25.03.2010 08:15:04 general: Running setup_ais-1ce (462)
25.03.2010 08:15:04 system: Operating system: WindowsXP ver 5.1, build 2600, sp 3.0 [Service Pack 3]
25.03.2010 08:15:04 system: Memory: 78% load. Phys:166636/785840K free, Page:472884/1134512K free, Virt:2068444/2097024K free
25.03.2010 08:15:04 system: Computer WinName: MEGABYTE
25.03.2010 08:15:04 system: Windows Net User: MEGABYTE\rowan
25.03.2010 08:15:04 general: Cmdline: /uninstwiz
25.03.2010 08:15:04 general: Old version: 1ce (462)
25.03.2010 08:15:04 registry: Deleted registry: Software\Alwil Software\Avast\5.0\UpdateReady
25.03.2010 08:15:04 system: Using temp: C:\DOCUME~1\rowan\LOCALS~1\Temp_asw_aisI.tm~a03640 (3335M free)
25.03.2010 08:15:04 general: SGW32AIS::CheckIfInstalled set m_bAlreadyInstalled to 1
25.03.2010 08:15:04 general: DldSrc set to inet
25.03.2010 08:15:04 internet: SYNCER: Agent=Syncer/5.00 (ais-462;p)
25.03.2010 08:15:05 system: Computer DnsName: megabyte
25.03.2010 08:15:05 system: Computer Ip Addr: 192.168.2.14
25.03.2010 08:15:05 system: Installed in: C:\Program Files\Alwil Software\Avast5 (3335M free)
25.03.2010 08:15:05 internet: SYNCER: Type: use IE settings
25.03.2010 08:15:05 internet: SYNCER: Auth: another authentication, use WinInet
25.03.2010 08:15:05 package: Part prg_ais-1ce is installed
25.03.2010 08:15:05 package: Part vps_win32-10032401 is installed
25.03.2010 08:15:05 package: Part setup_ais-1ce is installed
25.03.2010 08:15:05 package: Part jrog-76 is installed
25.03.2010 08:15:05 general: LoadState: Edition=1
25.03.2010 08:15:05 general: Old version: 1ce (462)
25.03.2010 08:15:07 file: SetExistingFilesBitmap: 304->86->86
25.03.2010 08:15:07 general: GUID: 3daf4da8-017e-43bb-bbfa-32e4a44ad364
25.03.2010 08:15:14 general: Server definition(s) loaded for ‘main’: 358 (maintenance:0)
25.03.2010 08:15:14 general: SelectCurrent: selected server ‘Download742 AVAST5 Server’ from ‘main’
25.03.2010 08:15:14 internet: SYNCER: Type: use IE settings
25.03.2010 08:15:14 internet: SYNCER: Auth: another authentication, use WinInet
25.03.2010 08:15:22 general: Operation set to INST_OP_REPAIR
25.03.2010 08:15:22 general: Entered SetupProcessAIS::Do( INST_OP_REPAIR )
25.03.2010 08:15:22 general: Entered SetupProcessWin32Avast::Do( INST_OP_REPAIR )
25.03.2010 08:15:22 general: Entered SetupProcessWin32::Do( INST_OP_REPAIR )
25.03.2010 08:15:22 general: Entered SetupProcess::Do( INST_OP_REPAIR )
25.03.2010 08:15:22 general: Entered SetupProcessAIS::Do( INST_OP_UPDATE_INSTALL_PACKAGES )
25.03.2010 08:15:22 general: Entered SetupProcessWin32Avast::Do( INST_OP_UPDATE_INSTALL_PACKAGES )
25.03.2010 08:15:22 general: Entering:UpdateInstallPackages
25.03.2010 08:15:22 general: progress thread start
25.03.2010 08:15:22 package: LoadProductVpu: C:\Program Files\Alwil Software\Avast5\Setup\prod-ais.vpx
25.03.2010 08:15:22 package: LoadPartInfo: jrog = jrog-76 returned 00000000
25.03.2010 08:15:22 package: LoadPartInfo: program = prg_ais-1ce returned 00000000
25.03.2010 08:15:22 package: LoadPartInfo: setup = setup_ais-1ce returned 00000000
25.03.2010 08:15:22 package: LoadPartInfo: vps = vps_win32-10032401 returned 00000000
25.03.2010 08:15:22 package: LoadProductVpu: C:\Program Files\Alwil Software\Avast5\Setup\prod-ais.vpx ended with 00000000
25.03.2010 08:15:22 package: FilterOutExistingFiles: 86 & 86 = 0
25.03.2010 08:15:24 package: IsFullOkay: vps_win32-170.vpx - not okay (DSA_FileVerify failed 0x2000000B)
25.03.2010 08:15:24 package: Vpu: C:\Program Files\Alwil Software\Avast5\Setup\vps_win32-170.vpx, size: 5198691. md5: 1F915BD3BBB679D2D8F761CDFAE3B84F, computemd5 returned 0x00000000, sig: A5E88235FE2085849644780FE76DE5B2857828566E569E5DD2227F3771FFFB9F928AA5B077DDCACD returned 0x00000000
25.03.2010 08:15:24 package: IsFullOkay: vps_win32-170.vpx - not okay (DSA_FileVerify failed 0x2000000B)
25.03.2010 08:15:24 package: Vpu: C:\Program Files\Alwil Software\Avast5\Setup\vps_win32-170.vpx, size: 5198691. md5: 1F915BD3BBB679D2D8F761CDFAE3B84F, computemd5 returned 0x00000000, sig: A5E88235FE2085849644780FE76DE5B2857828566E569E5DD2227F3771FFFB9F928AA5B077DDCACD returned 0x00000000
25.03.2010 08:15:24 package: SetFullAsMarked: Package vps_win32 set to 1
25.03.2010 08:15:25 package: ArePartsInstallable: 0
25.03.2010 08:15:25 package: Error processing packages. 0x20000011

The repair having failed I looked at other options in Change/Remove. I selected change then looked at the shields. I do not run instant messaging (IM Shield) so I disabled that. The program downloaded some files, said the change was made. I opened the user interface, it was still unsecure. I clicked the fix button and it is now running. I don’t know whether the problem is with the IM Shield or just making some change put the program in a state where the service could start.

I had disabled the IM monitoring portion of Avast and was able to restart the service but after Windows blue-screened a day later the Avast service would not start. I tried disabling P2P monitoring but attempts to restart the service or reboot failed to get Avast running again. I’d done the Add/Remove programs Update Avast but still nothing. Today, having had Avast tell me my computer was unsecure for 3 days I came back to this forum. While drafting this note I again went to Add/Remove … Avast update and finally was able to get the Avast service running again. I never had this problem with version 4 and haven’t made any changes to the computer. If version 5 keeps having problems I will have to roll back to version 4.x