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 6.3.1 to your personal folder.
Resolutions:
To solve this issue, please unregister and
delete the old dll using commands like “regsvr32 -u C:\Windows\Downloaded Program Files\DynamicWebTwainCtrlTrial.dll”
and “del C:\Windows\Downloaded Program Files\DynamicWebTwainCtrlTrial.dll” in
Command Prompt. (Please remember to run Command Prompt as administrator by right
clicking on Start->All Programs->Accessories->Command Prompt and
choose “Run as administrator”)
