.inf File Install Fails with Error: "A device attached to..." This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
This article was previously published under Q141350 SYMPTOMS
When you try to install a program by using the right mouse button to click
the program's .inf file and then clicking Install, you may receive the
following error message:
<X>:\<path>\<.inf file>
A device attached to the system is not functioning CAUSE
This error can occur if the combined length of the path and .inf file name
exceeds 77 characters.
RESOLUTION
To work around this problem, move the folder containing the .inf file and
its supporting files to another location with a shorter path. The total
length of the path and .inf file name must not exceed 77 characters.
STATUS
Microsoft has confirmed this to be a problem in Microsoft Windows 95. We
are researching this problem and will post new information here in the
Microsoft Knowledge Base as it becomes available.
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