How to fix the Runtime Code 10504 You are about to run a data-definition query that may modify data in your table

Symptoms of Code 10504 - You are about to run a data-definition query that may modify data in your table

Runtime errors happen without warning. The error message can come up the screen anytime Microsoft Access 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 You are about to run a data-definition query that may modify data in your table - Code 10504

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.

Method 1 - Close Conflicting Programs

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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.

Method 2 - Update / Reinstall Conflicting Programs

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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.

Method 3 - Update your Virus protection program or download and install the latest Windows Update

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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.

Method 4 - Re-install Runtime Libraries

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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.

Method 5 - Run Disk Cleanup

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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

Method 6 - Reinstall Your Graphics Driver

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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

Method 7 - IE related Runtime Error

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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 10504 (Sie sind im Begriff, eine Datendefinitionsabfrage auszuführen, die Daten in Ihrer Tabelle ändern kann) - Sie sind im Begriff, eine Datendefinitionsabfrage auszuführen, die Daten in Ihrer Tabelle ändern kann.@Möchten Sie diesen SQL-Abfragetyp wirklich ausführen? Wenn nicht, klicken Sie auf Nein und ändern Sie die Abfrage oder schließen Sie sie, um sie später auszuführen. @@19@@@2.
Come fissare Errore 10504 (Stai per eseguire una query di definizione dei dati che potrebbe modificare i dati nella tua tabella) - Stai per eseguire una query di definizione dei dati che potrebbe modificare i dati nella tua tabella.@Sei sicuro di voler eseguire questo tipo di query SQL? In caso contrario, fai clic su No, quindi modifica la query o chiudila per eseguirla in un secondo momento. @@19@@@2.
Hoe maak je Fout 10504 (U staat op het punt een gegevensdefinitiequery uit te voeren die gegevens in uw tabel kan wijzigen) - U staat op het punt een gegevensdefinitiequery uit te voeren die gegevens in uw tabel kan wijzigen.@Weet u zeker dat u dit type SQL-query wilt uitvoeren? Als dat niet het geval is, klikt u op Nee en wijzigt u de query of sluit u deze om later uit te voeren. @@19@@@2.
Comment réparer Erreur 10504 (Vous êtes sur le point d'exécuter une requête de définition de données qui peut modifier les données de votre table) - Vous êtes sur le point d'exécuter une requête de définition de données susceptible de modifier les données de votre table.@Êtes-vous sûr de vouloir exécuter ce type de requête SQL ?Si ce n'est pas le cas, cliquez sur Non, puis modifiez la requête ou fermez-la pour l'exécuter ultérieurement. @@19@@@2.
어떻게 고치는 지 오류 10504 (테이블의 데이터를 수정할 수 있는 데이터 정의 쿼리를 실행하려고 합니다.) - 테이블의 데이터를 수정할 수 있는 데이터 정의 쿼리를 실행하려고 합니다.@이 유형의 SQL 쿼리를 실행하시겠습니까?그렇지 않은 경우 아니오를 클릭한 다음 쿼리를 수정하거나 쿼리를 닫아 나중에 실행하십시오. @@19@@@2.
Como corrigir o Erro 10504 (Você está prestes a executar uma consulta de definição de dados que pode modificar os dados em sua tabela) - Você está prestes a executar uma consulta de definição de dados que pode modificar os dados em sua tabela. @ Tem certeza de que deseja executar este tipo de consulta SQL? Caso contrário, clique em Não e modifique a consulta ou feche-a para executá-la posteriormente. @@ 19 @@@ 2.
Hur man åtgärdar Fel 10504 (Du är på väg att köra en datadefinitionsfråga som kan ändra data i din tabell) - Du är på väg att köra en datadefinitionsfråga som kan ändra data i tabellen.@Är du säker på att du vill köra den här typen av en SQL-fråga? Om inte, klicka på Nej och ändra sedan frågan eller stäng den för att köra senare. @@ 19 @@@ 2.
Как исправить Ошибка 10504 (Вы собираетесь выполнить запрос определения данных, который может изменить данные в вашей таблице.) - Вы собираетесь выполнить запрос определения данных, который может изменить данные в вашей таблице. @ Вы уверены, что хотите выполнить этот тип запроса SQL? Если нет, щелкните Нет, а затем измените запрос или закройте его, чтобы запустить позже. @@ 19 @@@ 2.
Jak naprawić Błąd 10504 (Za chwilę uruchomisz zapytanie definiujące dane, które może zmodyfikować dane w Twojej tabeli) - Za chwilę uruchomisz zapytanie definiujące dane, które może zmodyfikować dane w Twojej tabeli.@Czy na pewno chcesz uruchomić ten typ zapytania SQL? Jeśli nie, kliknij Nie, a następnie zmodyfikuj zapytanie lub zamknij je, aby uruchomić je później. @@19@@@2.
Cómo arreglar Error 10504 (Está a punto de ejecutar una consulta de definición de datos que puede modificar los datos de su tabla.) - Está a punto de ejecutar una consulta de definición de datos que puede modificar los datos de su tabla. @ ¿Está seguro de que desea ejecutar este tipo de consulta SQL? De lo contrario, haga clic en No y luego modifique la consulta o ciérrela para ejecutarla más tarde. @@ 19 @@@ 2.

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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