Error Repair Pro Tips: How to Fix DLL Issues Correctly

by Rod Dunne on December 4, 2011

in Articles, Registry Cleaners Articles, Tips and Tools

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Some of the most useful error repair pro tips relate to how you can fix DLL issues yourself. Here I’ll show you three different ways to rectify faults with DLLs through indirect means.

But first, a warning!

Many forums will recommend downloading individual DLL files in order to fix DLL issues where the file is missing or corrupted. However, if you do decide to do this then you need to be very careful that the website providing the DLL is reputable. Some hackers create false download websites in order for you to download a DLL file containing a virus. Instead, here are three alternate approaches you could consider using.

Approach 1: Getting application updates

Dynamic link libraries (DLL files) are basically utility files included with software which simplify calling other applications. They provide an interface to one or many other applications providing a way to perform multiple commands through one call. As a result of application changes, these files often have to be updated along with other code changes (so are regularly included in patch updates).

Therefore, the easiest way to fix DLL issues is often to get a program update for specific applications which use these DLLs. This will overwrite missing or corrupted files with a new healthy version. DLLs relating to the operating system can often be installed simply by running Windows update on a regular basis.

Approach 2: Using the system file checker (XP/2000)

Users of Windows XP/2000 could also consider using the System File Checker utility [start, run, enter sfc.exe]. This utility maintains backup copies of critical operating system files. It allows you to complete an error repair by identifying faulty files and replacing them with healthy versions.

Approach 3: Using System Restore (all OS versions)

The final approach can be used from the boot menu or while Windows is running and allows you to restore system files that are being saved to the local hard drive. Windows does this every time you run Windows update or install new applications by maintaining a data store of key operating system programs, drivers and the registry.

You can access this utility as the system is booting up by going to the advanced options menu and choosing the last known good configuration. Alternatively, when Windows is up and running you can find this under accessories/system tools/system restore.

This error repair approach may not work for third-party application DLLs, unless the fault lies with the Windows registry file (e.g. registry key settings mis-set/corrupted by some change).

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