Most Windows PC problems are related to issues with computer applications. The bright side is that it is much easier to solve computer application errors on your own as compared to hardware errors. Oftentimes, you will be able to solve these problems without seeking any technical help from an expert. All you will need is a basic understanding of the problem, a little time, patience and an Internet connection.

This article will act as a self-help guide for users dealing with one of the frequent problems faced by Windows PC users – DLL errors. First of all, you must understand that DLL or Dynamic Link Library Files play a crucial role in the functioning of your Windows PC. Therefore, you will need to address any DLL error that you encounter immediately. DLL files are found in large numbers on your computer because almost all Windows-based applications use DLL files. These files are a group of files that are used frequently by applications to perform some general but important tasks. Because of their large numbers, the chance of this type of error is quite high.

DLL error causes: DLL file errors are generated when something goes wrong with these files. The common reasons include:

1. A missing DLL file or file not found error, which usually happens due to the deletion of a file by mistake or because of a malware infection. An example is “The file wgalogon.dll was not found” error.
2. A corrupt DLL file, which usually gets corrupted due to various reasons like incorrect installation/uninstallation of applications, virus infections, faulty device drivers or programs, may generate an error message like “Explorer has caused a problem in wmp.dll.”
3. Overwriting of a DLL file by another DLL file may also generate an error. An example of this type of error, is the Welcome Screen problem in Windows which is caused by the overwriting of the login file MSGINA.dll by a file named Rtlgina2.dll, which is used in the wireless network card driver of Netgear.
4. Often, the root cause of a problem may lie in the Windows registry. Corrupt or invalid registry entries may be behind recurring DLL errors.

Solution to DLL errors: When deciding to solve DLL errors yourself, your most important clue will be the error message. So be sure to write it down before you start troubleshooting the error. Next, either search the Internet or directly go to a DLL error fixing website, which will have all the answers to your problem. A DLL fixing site will usually have a complete manual on most DLL errors. It will inform you of the symptoms of the error, causes behind the error, and will provide a detailed guide on solving the error.

In most cases, error solving will mean first identifying the root cause. If the cause is the removal of a file by mistake, you may need to re-install the program or download the file from a genuine source and store it in correct location. If the cause is malware, you must scan your system with an updated and reliable anti-malware. If the problem is because of an obsolete or corrupt device driver, you need to find and install an appropriate driver. In all these cases, it is recommended that you scan your Windows registry with the help an automatic registry cleaner to eradicate any remaining trace of a DLL error.