Techopedia Explains DLL HellMany of the problems that lead developers to use the term "DLL hell" involve instances when an alteration to a DLL file by a program negatively affects the function of other programs that need to use the same DLL file. Problems with registries, incompatibility and the incorrect updating of DLL files are all part of the general challenge of ordering the use of DLL files across many different applications.
In more current versions of Windows, some of the problems that contribute to DLL hell have been addressed and solved to some extent. Changes include a .NET framework, which uses metadata to describe program components. This system helps with versioning and deployment to alleviate some of the problems that arise due to cross-language DLL use or situations where applications have to share a DLL file. A Windows File Protection system, introduced in Windows 2000, stops some programs from changing system DLL files. Other solutions involve placing an application's DLL file into a separate folder rather than storing it in a shared location so that each application can have its own unique version of the DLL file.
Dynamic Link Library Hell
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