How to upgrade Dynamic Web TWAIN Plug-in to the latest version on the client side?
First, please make sure Dynamic Web TWAIN Plug-in has been upgraded to the latest version on the server side. Click here to check the steps on how to upgrade Dynamic Web TWAIN Plug-in on the server side. Then, please follow these steps to upgrade Dynamic Web TWAIN Plug-in to the latest version ...
How to use TWACKER to check my scanner?
Sometimes we can use the tool called TWACKER developed by the TWAIN Working Group to check data sources like scanners, cameras, etc. TWACKER can be downloaded and installed here: 32-bit: http://www.twain.org/docs/Twack_32.msi 64-bit: http://www.twain.org/docs/Twack_64.msi To use the tool: 1. Fir ...
Does Dynamic Web TWAIN support Webcams?
If the webcam has a TWAIN driver, it's supported by Dynamic Web TWAIN. You can refer to the link here to check if your device is TWAIN compatible. If your device is not TWAIN compatible, below is a workaround for you: Download and unzip VideoDS.ds, which is a generic webcam twain driver providi ...
How to use Dynamic Web TWAIN in Safari and Opera?
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 installation folder. To ...
How to use TWACKER to check if my device is TWAIN Compatible?
Although most of the scanners in the market are TWAIN compatible (that means they are well supported by Dynamic Web TWAIN), there are some scanners or some old drivers (and many webcams) that are not. To find out, we can use the tool called TWACKER developed by the TWAIN Working Group for testin ...
How to run Safari 5.0 in 32-bit mode on Mac OS X
Currently Dynamic Web TWAIN Plug-in for Mac doesn't support Safari 5.0 when it's run in 64-bit mode (5.1 or above is ok) . Therefore you need to run Safari 5.0 in 32-bit in order to use Dynamic Web TWAIN Plug-in for Mac. To do this, please follow the below steps: Step 1: Right click on the Safa ...
Download virtual scanner for testing
If you don't have any 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. Download 32 bit virtual scanner Download 64 bit virtual scanner Related Links: Dynamic Web T ...
Download virtual scanner for testing
If you don't have any 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. Download 32 bit virtual scanner Download 64 bit virtual scanner Related Links: Dynamic Web T ...
Why can't I download Dynamic Web TWAIN onto the client machine?
Symptom: When you access the TWAIN related web page, you may find there is a red "X" on the scan page. Cause: Dynamic Web TWAIN (DWT) is not downloaded and installed on the client side successfully. Resolution: 1. Make sure the current logon user has permission to download/install the ...
Why do I get "An Error occurred while copying file DynamicWebTwainCtrl.dll."?
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 “C:\Windows\Downloaded Program Files” and you are trying to install Dynamic Web TWAIN 6 ...
It continues with scanning after clicking Cancel button in Select Source dialog.
Symptom: Sometimes, you may find the cancel button in Select Source dialog doesn't work properly. After clicking the Cancel button, it proceeds with scanning. Solution: Please try the following code to avoid the issue. function btnScan_onclick() { if (frmScan.DynamicWebTwain1.Sele ...
Why do I get "A Runtime Error has occurred. Do you wish to Debug?"
Symptoms: Sometimes you get the error message "A Runtime Error has occurred. Do you wish to Debug?": Cause: The error occurs when you try to install trial version of Dynamic Web TWAIN from a page on a machine which has the full version of Dynamic Web TWAIN installed in the system folder "C: ...
Why do I get "A Runtime Error has occurred. Do you wish to Debug?"
Symptoms: Sometimes you get the error message "A Runtime Error has occurred. Do you wish to Debug?": Cause: The error occurs when you try to install trial version of Dynamic Web TWAIN from a page on a machine which has the full version of Dynamic Web TWAIN installed in the system folder "C: ...
Why do I get "Your Dynamic Web TWAIN serial number is invalid" on the online demo?
Symptoms: When you go to our online demo, you may receive the error message "Your Dynamic Web TWAIN serial number is invalid": Cause: "Microsoft License Manager DLL" is not enabled. Resolutions: Enable "Microsoft License Manager DLL" by click "Run Add-on": Problem solved!
Why can't I find my scanner in the source list?
Symptom: When you try to list the sources using SourceNameItems property or use SelectSource method to choose a source, you may not find your device in the source list of Dynamic Web TWAIN sometimes. Causes: 1. The driver of the scanner is not installed. 2. The browser doesn't have enough permi ...
Error message: Your Dynamic Web TWAIN serial number is invalid
Symptom: When you generate the LPK file or run a TWAIN application, you may receive the following error message: Cause: The problem may occur when the license is invalid. Resolution: This problem may occur in the following conditions: The error occurs when generating a LPK file. The error ...
How to turn off Protected Mode of IE?
Protected Mode helps protect users from attack by running an IE process with greatly restricted privileges. It uses the Windows Vista integrity mechanism to run the Internet Explorer process at low integrity. With Protected Mode turned on, you may encounter problems when running Dynamic Web TWAI ...
How to use Dynamic Web TWAIN Plug-in in Google Chrome?
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 installation folder. To ...
How to use Dynamic Web TWAIN in Chrome, Safari and Opera?
In 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 installation folder. To al ...
Error message: <Project Name> has stopped working
Symptom: When running a TWAIN EXE file in Windows Vista/7, you may get the following error message: Cause: The EXE file is blocked by the DEP (Data Execution Prevention) protection. DEP is a security feature in Microsoft Windows OS. Resolution: Please turn off DEP for the EXE file. For informat ...