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I installed Epson Scan on my W10 PC several months ago and it has worked well. Yesterday I used it, no problem, shut down the PC. Later I tried to start it again, it will not open. I click on the icon in the tool bar, a blue line appears under the icon and then fades away. The app does not open. All my other apps open with no problem. I have been online looking for solutions to W10 apps that do not open - no luck. This is the app with the problem: C:\Windows\twain_32\escndv\escndv.exe
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Try uninstalling and reinstalling it.
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I should have mentioned that I have reinstalled the Epson Scan application several times with no luck. I moved the scanner to another PC , installed Epson Scan, and it worked fine but I need to run the scanner from the original PC.
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Is the other computer Windows 10?
Is there an updated version of the software?
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The other PC is w10 and I downloaded the installation for my scanner model from Epson today.
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Have you searched for a help article at Microsoft?
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I guess I will check that one out but I have been through several complex procedures involving the registry. I am looking for someone who had that exact problem with Epson Scan where the icon lighted up and then turned off. It seems like such a stupid problem where it worked for several months and even earlier that day and then it doesn't work and all other apps do work.
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Every time Win10 does an update there is **some** risk that a program you have been using will stop working... which is why I suggested searching at Microsoft
The recent 1803 Win10 update has caused various problems for people... do you have that update?