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Error: Code 16 - The number of subexpressions allowed in a floating-point expression varies among platforms. For example, on 32-bit Microsoft Windows operating systems, the limit is 8 levels of nested floating-point expressions.


How to fix the Runtime Code 16 Expression too complex

This article features error number Code 16, commonly known as Expression too complex described as The number of subexpressions allowed in a floating-point expression varies among platforms. For example, on 32-bit Microsoft Windows operating systems, the limit is 8 levels of nested floating-point expressions.


About Runtime Code 16

Runtime Code 16 happens when Windows 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!

  • Bit - A bit is a single binary digit.
  • Expression - Combination of several programming symbols and values intending to produce a result
  • Floating - This tag is related to GUI elements that either should be or appear to be floating above a panel or background, or in case of certain types of general layout.
  • Limit - Relates to any sort of limit applied to data or resources, e.g limiting the size or value of a variable, limiting the rate of incoming traffic or CPU usage
  • Nested - This tag relates to any of various nested entities or operations in programming.
  • Point - A point is a fundamental geometry entity.
  • Windows - GENERAL WINDOWS SUPPORT IS OFF-TOPIC
  • Systems - System may refer to a set of interdependent components; Low level infrastructure like the operating system from a high language point of view or an object or function for accessing the previous
  • Number - A number is a mathematical object used to count, measure and label
  • Operating systems - An operating System OS is a basic software whose role is to be an abstract layer between software requisitions for resources and the hardware available, manage inputoutput, memory allocationdeallocation, file systems, among other basic tasks a device not necessarily a computer should do.

Symptoms of Code 16 - Expression too complex

Runtime errors happen without warning. The error message can come up the screen anytime Windows 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.


Fix Expression too complex (Error Code 16)
(For illustrative purposes only)



Causes of Expression too complex - Code 16

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.

When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.
  • 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.
Using Control Panel
  • 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.
Using Other Methods
  • 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.
Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.
You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.
  • 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 might also be experiencing runtime error because of a very low free space on your computer.
  • 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
If the error is related to a bad graphics driver, then you may do the following:
  • Open your Device Manager, locate the graphics driver
  • Right click the video card driver then click uninstall, then restart your computer
If the error you are getting is related to the Internet Explorer, you may do the following:
  1. 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.
  2. 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.
If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.
Other languages:

Wie beheben Fehler 16 (Ausdruck zu komplex) - Die Anzahl der in einem Gleitkommaausdruck zulässigen Unterausdrücke variiert je nach Plattform. Auf 32-Bit-Microsoft Windows-Betriebssystemen liegt die Grenze beispielsweise bei 8 Ebenen geschachtelter Gleitkommaausdrücke.
Come fissare Errore 16 (Espressione troppo complessa) - Il numero di sottoespressioni consentite in un'espressione a virgola mobile varia a seconda delle piattaforme. Ad esempio, nei sistemi operativi Microsoft Windows a 32 bit, il limite è di 8 livelli di espressioni a virgola mobile nidificate.
Hoe maak je Fout 16 (Uitdrukking te complex) - Het aantal subexpressies dat is toegestaan ​​in een drijvende-komma-expressie verschilt per platform. Op 32-bits Microsoft Windows-besturingssystemen is de limiet bijvoorbeeld 8 niveaus van geneste drijvende-komma-expressies.
Comment réparer Erreur 16 (Expression trop complexe) - Le nombre de sous-expressions autorisées dans une expression à virgule flottante varie selon les plates-formes. Par exemple, sur les systèmes d'exploitation Microsoft Windows 32 bits, la limite est de 8 niveaux d'expressions à virgule flottante imbriquées.
어떻게 고치는 지 오류 16 (너무 복잡한 표현) - 부동 소수점 표현식에 허용되는 하위 표현식의 수는 플랫폼에 따라 다릅니다. 예를 들어, 32비트 Microsoft Windows 운영 체제에서 제한은 중첩된 부동 소수점 표현식의 8개 레벨입니다.
Como corrigir o Erro 16 (Expressão muito complexa) - O número de subexpressões permitidas em uma expressão de ponto flutuante varia entre as plataformas. Por exemplo, em sistemas operacionais Microsoft Windows de 32 bits, o limite é de 8 níveis de expressões de ponto flutuante aninhadas.
Hur man åtgärdar Fel 16 (Uttrycket är för komplext) - Antalet underuttryck som tillåts i ett flytande uttryck varierar mellan plattformar. Till exempel, på 32-bitars Microsoft Windows-operativsystem, är gränsen åtta nivåer av kapslade flytande punktuttryck.
Как исправить Ошибка 16 (Выражение слишком сложное) - Количество подвыражений, разрешенных в выражении с плавающей запятой, зависит от платформы. Например, в 32-разрядных операционных системах Microsoft Windows ограничение составляет 8 уровней вложенных выражений с плавающей запятой.
Jak naprawić Błąd 16 (Wyrażenie zbyt złożone) - Liczba podwyrażeń dozwolonych w wyrażeniu zmiennoprzecinkowym różni się w zależności od platformy. Na przykład w 32-bitowych systemach operacyjnych Microsoft Windows limit wynosi 8 poziomów zagnieżdżonych wyrażeń zmiennoprzecinkowych.
Cómo arreglar Error 16 (Expresión demasiado compleja) - El número de subexpresiones permitidas en una expresión de punto flotante varía entre plataformas. Por ejemplo, en los sistemas operativos Microsoft Windows de 32 bits, el límite es de 8 niveles de expresiones de punto flotante anidadas.




The Author 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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