XP Blue screen - frequent restarts

By aravindpkumar ยท 6 replies
Feb 11, 2010
  1. Hi

    I have a toshiba Tecra laptop and recently i have been witnesssing a lot of BLUE SCREEN errors and system just reboots. I tried to find a solution in other forms but not much help. Can you please help me out.

    Some info:

    Technical information:

    STOP : 0x000000D1(0x320A5678,0x00000002,0x00000001,0xF7509952)
    simdrv.sys - Address F7509952 base at F7507000,DateStamp 3d8067cd
  2. Route44

    Route44 TechSpot Ambassador Posts: 11,984   +72

    0xD1 DRIVER_IRQL_NOT_LESS_OR_EQUAL is an error that is usally caused by faulty drivers.

    From what you have provided and after considerable research the driver simdrv.sys belongs to the SHUNRA\Cloud WAN Emulator Miniport by Shunra Software.

    The Shunra/Cloud alters your IP traffic flow within its host. If you search for this software you can read up on it. Try updating the drivers from Toshiba.
  3. aravindpkumar

    aravindpkumar TS Rookie Topic Starter

    Thanks. will cross check the Toshiba website.
  4. Route44

    Route44 TechSpot Ambassador Posts: 11,984   +72

  5. aravindpkumar

    aravindpkumar TS Rookie Topic Starter

    hi. I had some issues getting the right driver. I preferred uninstalling the Shunra software and waitied to see for any issues as i wasnt aware of a particular reason for this software. Its been 2 days and no issues so looks like am good for now.

    PS: is there any risk involved without the software.
  6. Route44

    Route44 TechSpot Ambassador Posts: 11,984   +72

    Honestly I don't know working knowledge concerning emulaters but reading this ino from said company http://www.shunra.com/wan-emulation.php that unless you are in networking I would say not.

    It sounds like this software came pre-installed on your laptop. Correct?
  7. jobeard

    jobeard TS Ambassador Posts: 11,166   +986

    frequently we can UNINSTALL a driver and reboot to allow windows to Autodiscover an appropriate driver.

    Do this one device at a time, eg
    video, audio, ethernet, USB​
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