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"Memory could not be read"

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I have an class which reads standard ini files. It''s actually exported from a dll, and works fine when I write stuff to an ini file. But when I try to read something from it, after I exit the app, I get a "memory could not be read" error. When I debug the app, I get this message :- Unhandled exception in TestIni.exe(FILEIO.DLL): 0xC0000005: Access Violation. and this "debug assertion failed" message when I run the app using a debug version of the dll:- ... Expression: _BLOCK_TYPE_IS_INVALID(pHead->nBlockUse) ... and when I click "Retry" in that message box, I get the following message :- The exception Breakpoint A breakpoint has been reached. (0x80000003) occurred in the application at location 0x0032416a. The interesting part is, when I directly use this class without exporting it from a dll, it works just fine. Any ideas why this is happening? Thanks.

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I found that post, but I didn''t find it helpful. I have another class in the same dll, that reads ascii files, which works perfectly fine. I actually copied most of the code from the ini class. When the latter works fine, why doesn''t the former?

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