When I am trying to run any OA page from jdev OA extension getting error

when I am trying to run any OA page from jdev OA extension getting error
When I am trying to run any OA page from jdeveloper, I am getting the following error.
Failed to load "file:/D:/jdevhome/jdev/myprojects/oracle/apps/per/assistant/webui/SetupAssistantPG.xml" file.
I felt the path of the file is wrong instead of D:/jdevhome, the path in above shows :/D:/jdevhome/jdev.
I looked at the preferences and settings...but I could not get any clue to resolve this issue.
Your help on thi issue is really appreciated.
Thanks...

Hi
I am getting the same error.
everything was running perfectly ..suddenly it started showing this error..i have checked JDEV_USER_HOME pointing to correct directory.
but still it gives error as
"file:/D:/development/jdevhome/jdev/myprojects/oracle/apps/pa/xxpa/assignment/webui/XXPAAssignResourcePG.xml" file.
pls help

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    ☞ To recognize malware, the software depends on a database of known threats, which is always at least a day out of date. This technique is a proven failure, as a major AV software vendor has admitted. Most attacks are "zero-day"—that is, previously unknown. Recognition-based AV does not defend against such attacks, and the enterprise IT industry is coming to the realization that traditional AV software is worthless.
    ☞ Its design is predicated on the nonexistent threat that malware may be injected at any time, anywhere in the file system. Malware is downloaded from the network; it doesn't materialize from nowhere. In order to meet that nonexistent threat, commercial AV software modifies or duplicates low-level functions of the operating system, which is a waste of resources and a common cause of instability, bugs, and poor performance.
    ☞ By modifying the operating system, the software may also create weaknesses that could be exploited by malware attackers.
    ☞ Most importantly, a false sense of security is dangerous.
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