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Thread: Error code 0x7c91b21a

  1. #1
    Join Date
    Jul 2009
    Posts
    104

    Error code 0x7c91b21a

    Hi,

    Whenever I first start up my computer, I get this error message: iexplore.exe - Application Error: The instruction at "0x7c91b21a" referenced memory at "0x00000010". The memory could not be "written" I have done all kind of cleaning such as deleted all the temporary folders and recycle bin but no change. so can you tell me how top remove this error ???

  2. #2
    Join Date
    Mar 2008
    Posts
    227

    Re: Error code 0x7c91b21a

    Check you have the correct time and date and time zone:

    1. Double click the clock in the bottom right hand corner.
    2. Check you have the correct time and date.
    3. Click the Time Zone Tab.
    4. Check you have the correct time zone.

  3. #3
    Join Date
    Dec 2007
    Posts
    263

    Re: Error code 0x7c91b21a

    Re-register these important files and check IE settings:

    1. Click Start.
    2. Choose Run.
    3. In the Run box, type: regsvr32 Mssip32.dll
    4. Click OK.
    5. Repeat this time typing: regsvr32 Initpki.dll

  4. #4
    Join Date
    Mar 2008
    Posts
    433

    Re: Error code 0x7c91b21a

    If possible, try to connect to the Internet than through the current onnection and alternatively, for example through the cell and try to refresh (wondering whether to jump this error).

    Start - Run - cmd - sfc / scannow, would require a distribution disk Windows. Also, do not be amiss to test memory memetest.

  5. #5
    Join Date
    May 2008
    Posts
    613

    Re: Error code 0x7c91b21a

    To fix Error code 0x7c91b21a, a repair installation may be performed only if you have an installation CD of Windows XP.

    * Insert the Windows installation CD in the drive and start the computer.
    * When you are prompted, press any key to start the computer from the Windows XP CD.
    * When the message to install Windows XP now, press ENTER.
    * When the Setup screen appears, press Enter.
    * When the Windows XP Licensing Agreement, press F8 to agree.
    * Ensure that your current installation of Windows XP is selected, then press R to repair Windows XP.
    * Follow the installation instructions to complete the repair.

  6. #6
    Join Date
    Dec 2007
    Posts
    362

    Re: Error code 0x7c91b21a

    In general, memory problems are not likely, the main areas are: bad memory, memory quality, there are problems, there is two different capacities of different brands of memory mixed interpolation, and also more prone to incompatibilities the same time, must pay attention to heat issues, especially after overclocking. You can use the software to detect what MemTest memory, it can completely detect memory stability. If you are a dual-memory, and is mixed with different brands of memory inserted, or buy second-hand memory, this problem occurs when that happens, you have to check is not a problem of memory or other hardware are not compatible.

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