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a2start.exe - no disk

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I can't seem to determine whether or not the error message "a2start.exe - no disk" that keeps popping up and that I'm unable to close, is a virus or not. So just in case, I'm writing to request help. Please find the files requested attached.

Thanks in advance,


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Run OTL.exe

  • Copy/paste the following text written inside of the code box into the Custom Scans/Fixes box located at the bottom of OTL
    O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - No CLSID value found.
    O3:[b]64bit:[/b] - HKLM\..\Toolbar: (no name) - Locked - No CLSID value found.
    O3 - HKLM\..\Toolbar: (Freecorder Toolbar) - {1392b8d2-5c05-419f-a8f6-b9f15a596612} - C:\Program Files (x86)\Freecorder\prxtbFree.dll (Conduit Ltd.)
    O3 - HKLM\..\Toolbar: (no name) - Locked - No CLSID value found.
    O4 - HKLM..\Run: [HDD Regenerator] C:\Program Files (x86)\HDD Regenerator\HDD Regenerator.exe File not found
    O18:[b]64bit:[/b] - Protocol\Handler\livecall - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\msdaipp - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\msdaipp\0x00000001 - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\msdaipp\oledb - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\msnim - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\mso-offdap - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\mso-offdap11 - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Handler\wlmailhtml - No CLSID value found
    O18:[b]64bit:[/b] - Protocol\Filter\text/xml - No CLSID value found
    O20:[b]64bit:[/b] - HKLM Winlogon: VMApplet - (/pagefile) -  File not found
    O20 - HKLM Winlogon: VMApplet - (/pagefile) - File not found
    O21:[b]64bit:[/b] - SSODL: WebCheck - {E6FB5E20-DE35-11CF-9C87-00AA005127ED} - No CLSID value found.
    O21 - SSODL: WebCheck - {E6FB5E20-DE35-11CF-9C87-00AA005127ED} - No CLSID value found.
    O33 - MountPoints2\{86b8fc1c-160f-11e1-b5d7-206a8a3e4431}\Shell\AutoRun\command - "" = D:\autorun.exe
    O33 - MountPoints2\{86b8fc1c-160f-11e1-b5d7-206a8a3e4431}\Shell\phone\command - "" = D:\autorun.exe
    O33 - MountPoints2\{ea3dfd5e-0034-11e1-9cf5-806e6f6e6963}\Shell - "" = AutoRun
    O33 - MountPoints2\{ea3dfd5e-0034-11e1-9cf5-806e6f6e6963}\Shell\AutoRun\command - "" = E:\setup.exe
    [2011/12/05 10:00:59 | 000,007,680 | ---- | C] () -- C:\Windows\71316715.exe
    [2011/12/05 10:00:59 | 000,000,128 | ---- | C] () -- C:\Windows\71316715.dat 
    @Alternate Data Stream - 136 bytes -> C:\ProgramData\Temp:B755D674

  • Then click the Run Fix button at the top
  • Let the program run unhindered, reboot when it is done
  • Attach the new log produced by OTL (C:\_OTL). (USE THE "MORE REPLY OPTIONS" BUTTON TO BE ABLE TO DO THIS)

Let me know of any problems you may have encountered with the above instructions and also let me know how things are running now!

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Attached please find the log for the OTL fix. I had a bit of a problem running it: Shortly after it started, I got an error message that looked like the a2start.exe - no disk one but instead it said "OTL.exe - no disk" which froze the OTL run. As I was unable to close it, I opened Task Manager and tried end task. After clicking it 10 times, it finally closed allowing the fix to continue.

Although my computer seems to be running ok, only time will tell since the problem I was having with the a2start.exe error was intermittent and unpredictable. If it happens again, I will advise you immediately. In the meantime, thanks so much for your assistance.


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Read carefully and follow these steps.

  • Download TDSSKiller and save it to your Desktop.
  • Double-click on TDSSKiller.exe to run the application.
  • Click Change parameters
  • Check the boxes next to Verify Driver Digital Signature and Detect TDLFS file system, then click OK
  • Click on the Start Scan button to begin the scan and wait for it to finish.
    NOTE: Do not use the computer during the scan!
  • During the scan it will look similar to the image below:
  • When it finishes, you will either see a report that no threats were found like below:
    If no threats are found at this point, just click the Report selection on the top right of the form to generate a log. A log file report will pop which you can just close since the report file is already saved.
  • If any infection or suspected items are found, you will see a window similar to below:
    • If you have files that are shown to fail signature check do not take any action on these. Make sure you select Skip. I will tell you what to do with these later. They may not be issues at all.
    • If Suspicious objects are detected, the default action will be Skip. Leave the default set to Skip.
    • If Malicious objects are detected, they will show in the Scan results. TDSSKiller automatically selects an action (Cure or Delete) for malicious objects
      Make sure that Cure is selected. Important! - If Cure is not available, please choose Skip instead. Do not choose Delete unless instructed to do so.

    [*]Click Continue to apply selected actions.

    [*]A reboot may be required to complete disinfection. A window like the below will appear:


    Reboot immediately if TDSSKiller states that one is needed.

    [*]Whether an infection is found or not, a log file should have already been created on your C: drive (or whatever drive you boot from) in the root folder named something like TDSSKiller.2.1.1_27.12.2009_14.17.04_log.txt which is based on the program version # and date and time run.

    [*]Attach this log to your next reply.

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Thread Closed

Reason: Lack of Response

The procedures contained in this thread are for this user and this user only. Attempting to use the instructions in this thread on your system could result in damaging the Operating System beyond repair. Do Not use any of the tools mentioned in this thread without the supervision of a Malware Removal Specialist.

All posters requesting Malware Removal assistance are required to follow all procedures in the thread titled START HERE, if you don't we are just going to send you back to this thread.

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