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"ConfigurationErrorsException" from "Settings.Default.Save()" in C# winform

Posted on 2013-12-18
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Last Modified: 2013-12-19
Hi experts
I got an exception "ConfigurationErrorsException" when my program executed the statement "Settings.Default.Save()".

The details of the exception is: "Failed to save settings: An error occurred loading a configuration file: Could not find a part of the path 'C:\Users\dwong\AppData\Local\....'"

What puzzles me is that:
1. this problem happens only after I'd changed to a new hard disk (Windows 7, 32-bit).
2. this problem happens only when I run the program from the VS2008 debugger (release/debug modes).
3. this problem does *not* occur when the program is run normally (ie., after installing the program into the PC and run it directly)

Would it be a permission or security issue?

Thanks in advance.
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Question by:dominicwong
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Expert Comment

by:Bob Learned
ID: 39729609
Are you running Visual Studio as Administrator on Windows 7?
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Author Comment

by:dominicwong
ID: 39730587
Thanks TheLearnedOne.
I'd checked "User Accounts" under the "Control Panel". In the 'Group' column, mine is 'Administrators'.
But how do I tell whether I am running VS as Administrator? Please enlighten.
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Accepted Solution

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Bob Learned earned 500 total points
ID: 39730871
When you run Visual Studio as administrator, by right-clicking on the link in the Start menu, or changing the startup for the link to Run as Administrator, the window title will include the text [Administrator].

When you are running Windows 7 with UAC enabled, your privileges are not administrator level, until you formally request it.
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Author Closing Comment

by:dominicwong
ID: 39731009
Thanks TheLearnedOne.

That solves my problem! I'd been running VS on Windows XP, and I didn't know there is such an option in Windows 7. Thanks again.
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