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There were 42 articles found in this category:

  1. questionHow to create dump file
    This article shows you how to troubleshoot with dump files when the scanning application crashes, stops responding or freezes. To create dump files for the HTML5 Edition of Dynamic Web TWAIN, please follow the steps below. Install Win debug tool You can download the dbg_x86_6.11.1.404.msi her ...
  2. questionDownload virtual scanner for testing
    If you don't have a TWAIN device installed on your machine, you can download the virtual scanner, which is a Sourceforge project, to test the basic features of Dynamic Web TWAIN and Dynamic .NET TWAIN. 32 bit virtual scanner twainds.win32.installer.2.1.3.msi 64 bit virtual scanner twaind ...
  3. questionWhy can't I download Dynamsoft ActiveX control onto the client machine?
    This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition ImageCapture Suite ActiveX Edition Note: Recently Microsoft has released an update for Internet explorer that has resulted in the Active X control not being installed correctly. If you ar ...
  4. questionDynamic Web TWAIN Error: Failed to open some file(s)
    Symptoms: When trying to load a file in Dynamic Web TWAIN you see the error: Failed to open some file(s)" Cause: This issue is caused by trying to load a file with non-English characters with a mismatched system language. Solution: Change the system settings so that the system language matche ...
  5. questionDynamic Web TWAIN Error: An add-on for this website failed to run.
    Symptoms: When you access a web page containing Dynamsoft ActiveX control, you may receive an error stating that: "An add-on for this website failed to run." after trying to install the add-on. Cause: This is a known issue caused by Microsoft update KB3058515 on Internet explorer versions 9 th ...
  6. questionError message: Object doesn't support this property or method
    This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition ImageCapture Suite ActiveX Edition Symptoms: When you access a web page containing Dynamsoft ActiveX control, you may receive the following JavaScript error: Cause: 1. The ActiveX cont ...
  7. questionChanging the Plug-in Prompts for Dynamic Web TWAIN
    In-case you are not satisfied with the default plug-in installation prompt that appears when a user visits your web page you may wish customize the prompt. In order to do this please navigate to the Resources folder on your server and open the dynamsoft.webtwain.install.js file. In this file y ...
  8. questionWhy Mozilla Firefox keeps asking me to install after upgrading to 30.0
    After upgrading to Firefox 30.0, you would be asked to install the add-on over and over again even if it has been installed. We have worked out a solution to fix this problem. If you were using our JS files to initiate the control, please feel free to replace your files with following ones. ...
  9. questionHow to enable NPAPI in Chrome v42 and above
    As stated in the Chromium Blog, Google are continuing their plan to retire NPAPI in Chrome. http://blog.chromium.org/2014/11/the-final-countdown-for-npapi.html As mentioned in quite a few of our previous newsletters, Dynamic Web TWAIN v9.2 and earlier versions which are based on NPAPI will be af ...
  10. question[Troubleshooting] There is no TWAIN-compliant Device installed.
    Symptom: Sometimes when you are using your scanner, you will get a message "There is no TWAIN-compliant Device installed. Please install one and try again." This issue has been found in various scanners, such as HP Laserjet. Cause:There might be some issue with your scanner's TWAIN driver. Sol ...
  11. question[Troubleshooting] Scanner reported an error. An error occurred during scanning.
    Symptom: Sometimes when you are using your scanner, you will get a message "Scanner reported an error. An error occurred during scanning." Cause:There might be some compatibility issue between your scanner and your current scanning application used. Solution: You can have a quick validation wi ...
  12. question[Troubleshooting] Unable to open twain source.
    Symptom: Sometimes when you are using your scanner, you will get a message "Unable to open twain source." This issue has been found in various scanners, such as canoscan lide 25, canoscan 4200 etc. Cause:There might be some issue with your scanner's TWAIN driver. Solution: Please make sure you ...
  13. questionHow to upgrade Dynamsoft ActiveX on the client side?
    This article applies to the following Dynamsoft image acquisition SDKs. We will take Dynamic Web TWAIN as example in the article. It's the same for the other two controls. - Dynamic Web TWAIN (DWT) - Dynamic Webcam SDK (DWC) - ImageCapture Suite (ICS) Before upgrading the ActiveX on the client ...
  14. questionError message: The License Number is for trial version. Please use a full version License Number.
    This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition Dynamic Webcam SDK ActiveX Edition ImageCapture Suite ActiveX Edition Symptoms: When you generate the LPK file using "lpk_tool.exe" or run an application using Dynamsoft ActiveX contro ...
  15. questionWhat can I do if our customers have restricted policies and can not download the ActiveX control?
    Dynamic Web TWAIN can't run on client machines if the customers do not have enough permissions to download the ActiveX control. In that case, please let your customers contact their System Admistrator to verify the following security settings of IE to "Prompt" or "Enabled": 1. Download signed A ...
  16. questionHow to use Dynamic Web TWAIN in Firefox when I visit the scan page for the first time?
    Follow these steps to run Dynamic Web TWAIN Plug-in on a client side machine: Note: These steps are available in Firefox 1, 2 and 3. 1.¬ Open the web page in Firefox. 2.¬ Click Install Missing Plugins in the page. 3.¬ In Plugin Finder Service, click Manual Install. 4.¬ In Opening DynamicWebTwain.x ...
  17. questionError message: Your License Number is empty or it's invalid. (v8 or older)
    Symptom: When you generate the LPK file or¬ run an¬ application containing Dynamsoft image acquisition SDK, you may receive the following error message: ¬ Cause: This problem may occur in the following conditions: The error occurs when entering serial number. The error occurs when generating¬ L ...
  18. questionHow to use Dynamic Web TWAIN in Safari and Opera?
    [Deprecated] Since Dynamic Web TWAIN version 6.1, we simplified the installation process for using the plug-in edition in Chrome, Safari and Opera. After installation of Dynamic Web TWAIN Plug-in, you will find a file "DynamicWebTWAINPlugIn.exe" along with "DynamicWebTwain.xpi" in the installat ...
  19. questionWhy do I get "An Error occurred while copying file DynamicWebTwainCtrl.dll."?
    [Deprecated] Symptoms: Sometimes you get the error message "An Error occurred while copying file DynamicWebTwainCtrl.dll.": Cause: The error occurs when you have an old-version Dynamic Web TWAIN ctrl under ‚ÄúC:\Windows\Downloaded Program Files‚ÄĚ and you are trying to install Dynamic Web TWAIN ...
  20. questionWhy do I need to install Dynamic Web TWAIN every time when I go back to the web page?
    Symptom: When you access a Dynamic Web TWAIN related web page for the first time, you are asked to install the ActiveX control. The application works well after you install the control. But the Security Warning dialog box pops up every time when you go back to the web page. The application work ...
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