>>>I have an application that is running on about 50 computers with no problems. I have one user that on his computer an area of the screen does not react to mouse clicks either left or right. There is a shape object in that area the user is supposed to right click. Has any of you had this problem.
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>>>TIA
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>>What make/model of mouse is being used, and what driver (under what OS)? Is it different from the ones that are working properly?
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>The customer is using a Microsoft mouse that came with the computer. The OS is Windows 95.

Microsoft makes lots of different mice - which one is it? More importantly, is the system currently configured to use the correct driver for that exact model? If you're not sure, you can remove the driver, restart Windows, and let it find the mouse again on startup, and use the default mouse driver.