DLL files – shorted from Dynamic Link Libraries – are the important chain makers that allow us to use our Windows applications and programs and have them interact with the essential Windows registry. Without DLL files, we simply wouldn’t be able to get the functionality out of Windows that you’ve come to expect from the twenty first century. You’ve probably heard about DLL files, and you might have even seen an error relating to them – we’re going to look at what they do, how they do it, and why DLL errors are such a problematic occurrence.
As you can tell by the extended name, a DLL file isn’t actually one piece of data, but rather a link of reference points that can include many different strands of information. When you install a new program on to Windows, you need to consider that the program hasn’t been initialized before and thus without the correct working DLL files, Windows won’t know what to do with it, or how to handle its requests.
The unfortunate reality is that for all the good that DLL files can do, they can also cause a lot of problems as well. DLL errors are notoriously common, and not always easy to remove without some further investigation. Worse yet, they can be triggered without warning and called by programs where the error doesn’t necessarily lay. We have to be clever about handling our DLL files, and usually it’s best to rely on third party scanning software to decipher whether you have errors. Manual detection would take forever, and can be quite complex to fix once you’ve found an error.
Most DLL errors occur after attempting to uninstall an application from Windows. For all intensive purposes, the application may be removed according to the human eye. It’s removed from Control Panel, gone from the Start menu and disappeared completely in Program Files. But that isn’t to say that all of the DLL files related to the program are gone. And this can cause some quite significant problems, usually at a later date when Windows tries to access the same “spare memory” or “spare reference points” that are being consumed by the stray DLL file.
The simple solution to this is to have automated software in place that goes about the business of finding and removing DLL files that are outstaying their welcome on the operating system. Ensuring that you remove all DLL files with each uninstall is vital for maintaining system performance over the long term.
You can’t stop there though. DLL files can also become corrupted or damaged through other means that are slightly more malicious in their nature. Viruses and spyware are designed to latch on to stray DLL files and negatively affect the functionality of that particular file. Third party hackers and bug creators have spotted the weakness in DLL files, and often see them as a way of controlling the Windows system – which is exactly what they’re capable of doing to a certain extent.
Having anti-virus software installed and a good spyware scanning utility should be seen as the first step towards preserving your all important DLL files.
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