Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Question

Hi We are using Delphi DLL in our c# application like: [DllImport(SAPIDLL.DLL)] public static extern Int32 PSpeak(string Text); And we are calling this method through delegate Asyncronous then the following error occured: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Nageswararao Dhulipalla · Answer

We are using .Net 4.0

Suthish Nair · Answer

Which .Net Framework version using? Try this KB .

Sam Hobbs · Answer

You need to look at the documentation of that library. I hope there is documentation available in the download but I did not try downloading it. For the benefit of others note that this question was also asked in: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (MSDN) Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (CodeProject)