Microsoft

What Does Error Code 16026 Mean?

Chief Mechanic · September 11, 2010 ·

According to Intuit, Error Code 16026 can occur when a user is upgrading QuickBooks. There are several causes for this error:

your internet connection is unavailable or has been lost
your version of Microsoft Internet Explorer is not 5.5 or later
your Microsoft Internet Explorer cipher strength (a security measure) is not 128 bit or greater
some QuickBooks program files were not correctly installed or have become corrupted
you’re attempting to run a version of QuickBooks prior to 2007 on Microsoft Windows Vista

Because this error code appears under very different circumstances, it’s helpful to rule out 1 or more possibilities to move closer to a solution.

Microsoft Windows Vista disables weak ciphers by default. If you’re running Windows Vista, your cipher strength is 128 bit or greater. Vista also installs a version of Internet Explorer newer than 5.5. Therefore, unless you’ve managed to modify your cipher strength or replaced Internet Explorer with an older version, these possibilities can be ruled out for Vista users. You can confirm your Internet Explorer version and cipher strength on the Help->About Internet Explorer menu choice. An example of Internet Explorer 7 running on Vista Ultimate is shown below:

Microsoft Windows Vista Internet Explorer 7 Cipher

Vista users may encounter this error when attempting to install a QuickBooks version that is not Vista compatible. QuickBooks 2007 and Enterprise Solutions 7.0 and later versions are Vista compatible. If you’re upgrading from a non-Vista compatible version (e. g., QuickBooks 2006) to a compatible version (e. g., QuickBooks 2009), it may be the case that your older, incompatible version is triggering the error. As a precaution, uninstall all prior versions of QuickBooks before installing the replacement QuickBooks 2009. After you’ve uninstalled the prior version of QuickBooks, restart your system. Be sure to have at least 1 complete backup of all data files and original program downloads or CD’s before performing any update or program uninstall. If you’re not sure you have a reliable and complete backup, stop and consult with a qualified professional before continuing.

If a prior, incompatible version of QuickBooks is not triggering the error when running Vista, another possible problem area to check is a corrupt program file. Uninstall the Vista compatible version of QuickBooks (e. g., QuickBooks 2009) and perform a fresh installation. Again, be sure to have at least 1 complete backup of all data files and original program downloads or CD’s before performing any update or program uninstall. If this also fails to stop the error code from appearing, it’s possible that the installation source (download or CD) is corrupt or that the files that the QuickBooks installer extracted have become corrupt. If you downloaded the program directly from Intuit, try downloading a fresh copy. Uninstall the last installation and attempt a new installation from the most recent download.

For more information on resolving Error Code 16026, consult this Intuit knowledge base article.

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What Does Error Code C=343 Mean?

Chief Mechanic · September 11, 2010 ·

According to Intuit, Error Code C=343 can occur when:

you’re not running the latest release of QuickBooks
1 of 2 Microsoft Core XML Services .dll files is unregistered, missing, or damaged

Confirm you’re running the latest release of QuickBooks. To verify your QuickBooks release, from within QuickBooks press F2 to display the Product Information window. The Product shows both your version and release in the upper left corner.

QuickBooks Premier 2009 Product Information Release

If the problem persists, either MSXML3.DLL or MSXML4.DLL is unregistered, missing, or damaged. The first troubleshooting step is to re-register both of these files while QuickBooks is not running and then re-start QuickBooks to see if the problem has been resolved. If the error recurs, you’ll need to download and re-install Microsoft’s Core XML services.

See our related article on another error involving Microsoft’s XML Parser, an unrecoverable error has occurred exception msxml could not cocreate instance.

For more information on the troubleshooting steps to resolve Error Code C=343, consult this Intuit knowledge base article.

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What Does The Error “An Unrecoverable Error Has Occurred. Exception MSXML Could Not Cocreate Instance” Mean?

Chief Mechanic · September 11, 2010 ·

According to Intuit, QuickBooks may report “Error: An unrecoverable error has occurred. Exception msxml could not cocreate instance” when opening QuickBooks.

This error may be caused by a damaged or unregistered Microsoft XML Parser (MSXML).

To resolve this error, try these troubleshooting steps:

Re-register the Microsoft XML Parser
Download and re-install MSXML3.dll, which is the file for Microsoft’s XML Parser 3.0
Perform a clean install of QuickBooks

See our related article on a similar error when opening QuickBooks, Error: C=343.

For more information on this error and details on these troubleshooting steps, see this Intuit knowledge base article.

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What Does Error Code C=0 Mean?

Chief Mechanic · September 11, 2010 ·

According to Intuit, Error Code c=0 can occur when attempting to access the Internet Connection Setup. This is function on the Help->Internet Connection Setup menu selection to configure your internet connection.

QuickBooks Premier 2009 Internet Connection Setup

It’s caused by an outdated version of wininet.dll, a Microsoft Windows component. The solution is to either update this file, re-register it, or re-install Windows Internet Explorer.

For more information on resolving Error Code c=0, consult this Intuit knowledge base article.

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What Does the Error “This Application Failed To Start Because MSVCR80.DLL Was Not Found” Mean?

Chief Mechanic · September 10, 2010 ·

According to Intuit, the error “This application failed to start because MSVCR80.DLL was not found” is an error that indicates your QuickBooks installation is damaged. The exact cause of the error hasn’t been determined.

Microsoft’s msvcr80.dll is a component of Visual C++ 2005 runtime environment that’s necessary for QuickBooks to function properly. If the file had been deleted, modified, or isn’t the correct version, QuickBooks will produce this error.

Fixing the error involves re-installing the msvcr80.dll file from the QuickBooks installation CD and repairing your QuickBooks installation.

Our articles on performing a clean installation, repairing your QuickBooks installation, and another error involving the msvcr80.dll may prove helpful.

To follow the troubleshooting steps to resolve this error, consult this Intuit knowledge base article.

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