ErrorVault.comHow to fix the Runtime Code 502 Error Code 502: Proxy error
Error Information
Error name: Error Code 502: Proxy errorError number: Code 502
Description: Error Code 502: Proxy error. The parameter is incorrect. (87). This problem occurs because of a problem in the ISA Server 2004 HTTP Security Filter component. This component is named HTTPFilter.dll.
Software: Internet Explorer
Developer: Microsoft
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DOWNLOAD NOWAbout Runtime Code 502
Runtime Code 502 happens when Internet Explorer fails or crashes whilst it's running, hence its name. It doesn't necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.
Definitions (Beta)
Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!
- Dll - A dynamic-link library DLL is a module that contains functions and data that can be used by another module application or DLL
- Error code - An error code is a value returned to provide context on why an error occurred
- Filter - A program or routine that blocks access to data that meet a particular criterion
- Http - Hypertext Transfer Protocol HTTP is an application level network protocol that is used for the transfer of content on the World Wide Web.
- Isa - Interface between hardware and software
- Named - Anything named - objects, variables, classes..
- Proxy - A proxy is a device or program that stands between two or more interconnected programs or devices
- Security - Topics relating to application security and attacks against software
- Server - A server is a running instance of a software application capable of accepting requests from a client and giving responses accordingly.
- Component - A component in the Unified Modeling Language "represents a modular part of a system, that encapsulates its content and whose manifestation is replaceable within its environment
- .dll - A dynamic-link library DLL is a module that contains functions and data that can be used by another module application or DLL
- Parameter - Parameters are a type of variable used in a subroutine to refer to the data provided as input to the subroutine.
Symptoms of Code 502 - Error Code 502: Proxy error
Runtime errors happen without warning. The error message can come up the screen anytime Internet Explorer is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.
There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.
(For illustrative purposes only)
Causes of Error Code 502: Proxy error - Code 502
During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.
Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.
Repair Methods
Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.
If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.
Please note: Neither ErrorVault.com nor it's writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page - you complete these steps at your own risk.
- Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
- Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
- You will need to observe if the error message will reoccur each time you stop a process.
- Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.
- For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
- For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
- For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
- Once inside Programs and Features, click the problem program and click Update or Uninstall.
- If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application's installation disk to reinstall the program.
- For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
- For Windows 10, you may click Start, then Settings, then choose Apps.
- Scroll down to see the list of Apps and features installed in your computer.
- Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.
- Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
- Click Uninstall on top of the list, and when it is done, reboot your computer.
- Download the latest redistributable package from Microsoft then install it.
- You should consider backing up your files and freeing up space on your hard drive
- You can also clear your cache and reboot your computer
- You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
- Click Properties and then click Disk Cleanup
- Reset your browser.
- For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
- For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
- Disable script debugging and error notifications.
- On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
- Put a check mark on the radio button
- At the same time, uncheck the "Display a Notification about every Script Error" item and then click Apply and OK, then reboot your computer.
Other languages:
Wie beheben Fehler 502 (Fehlercode 502: Proxy-Fehler) - Fehlercode 502: Proxy-Fehler. Der Parameter ist falsch. (87). Dieses Problem tritt aufgrund eines Problems in der HTTP-Sicherheitsfilterkomponente von ISA Server 2004 auf. Diese Komponente heißt HTTPFilter.dll.
Come fissare Errore 502 (Codice errore 502: errore proxy) - Codice errore 502: errore del proxy. Il parametro non è corretto. (87). Questo problema si verifica a causa di un problema nel componente Filtro di protezione HTTP di ISA Server 2004. Questo componente è denominato HTTPFilter.dll.
Hoe maak je Fout 502 (Foutcode 502: Proxyfout) - Foutcode 502: Proxyfout. De parameter is niet correct. (87). Dit probleem treedt op vanwege een probleem in het onderdeel ISA Server 2004 HTTP Security Filter. Dit onderdeel heet HTTPFilter.dll.
Comment réparer Erreur 502 (Code d'erreur 502 : erreur de proxy) - Code d'erreur 502 : erreur de proxy. Le paramètre est incorrect. (87). Ce problème se produit en raison d'un problème dans le composant de filtre de sécurité HTTP ISA Server 2004. Ce composant est nommé HTTPFilter.dll.
어떻게 고치는 지 오류 502 (오류 코드 502: 프록시 오류) - 오류 코드 502: 프록시 오류입니다. 파라미터가 잘못되었습니다. (87). 이 문제는 ISA Server 2004 HTTP 보안 필터 구성 요소의 문제로 인해 발생합니다. 이 구성 요소의 이름은 HTTPFilter.dll입니다.
Como corrigir o Erro 502 (Código de erro 502: erro de proxy) - Código de erro 502: erro de proxy. O parâmetro está incorreto. (87). Esse problema ocorre devido a um problema no componente ISA Server 2004 HTTP Security Filter. Este componente é denominado HTTPFilter.dll.
Hur man åtgärdar Fel 502 (Felkod 502: Proxyfel) - Felkod 502: Proxy -fel. Parametern är inkorrekt. (87). Det här problemet uppstår på grund av ett problem i komponenten ISA Server 2004 HTTP -säkerhetsfilter. Denna komponent heter HTTPFilter.dll.
Как исправить Ошибка 502 (Код ошибки 502: ошибка прокси) - Код ошибки 502: ошибка прокси. Неверный параметр. (87). Эта проблема возникает из-за проблемы в компоненте фильтра безопасности HTTP ISA Server 2004. Этот компонент называется HTTPFilter.dll.
Jak naprawić Błąd 502 (Kod błędu 502: Błąd proxy) - Kod błędu 502: Błąd serwera proxy. Parametr jest niepoprawny. (87). Ten problem występuje z powodu problemu w składniku filtru zabezpieczeń HTTP programu ISA Server 2004. Ten składnik nosi nazwę HTTPFilter.dll.
Cómo arreglar Error 502 (Código de error 502: error de proxy) - Código de error 502: error de proxy. El parámetro es incorrecto. (87). Este problema se produce debido a un problema en el componente Filtro de seguridad HTTP de ISA Server 2004. Este componente se denomina HTTPFilter.dll.
About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki.
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