Every time you restart the computer after installing “Step 7 MicroWIN V4.0 SP9” on Windows 10 64-bit (or other WIndows), maybe you will see the “Pniopcac.exe Assertion Error” message. It is really annoying. In this post, we will guide you to solve the error.
With the message, you must press “Ignore” (two times) to skip it. But every time you restart your computer, the “pniopcac error” appears again. It is really annoying. However, if someone installs Simatic Manager on their computer, they use Step7 Micro/WIN V4.0 SP9 without any error message. If you see the error on your computer, please continue reading the post to solve it.
Could be helpful for you:
- Step7 MicroWIN on Windows 10 64-bit (V4.0 SP9). How to Install
- Unlock POU Password S7-200 Use Step7 MicroWIN V4.0
- Step7 MicroWin Smart For S7-200 SMART Series
How to Fix the pniopcac.exe assertion error
The way we use it: Rename the file “pniopcac.exe“. We look it in the startup item on our computer but did not found. Note: After renaming the file please check the working for other programs (By Siemens). On our computer, we tested for Step7 MW V4.0 SP9, it is no problem.
Now, follow the instruction to fix the pniopcac.exe assertion error:
- Download the tool “Take Ownership” on the link at the end of the post.
About the tool: Default, you can not edit, rename or delete some files protected by Windows 10 (and other Windows) Operating systems. The tool helps you with an easy way to do it. For more information about “Take Ownership” please use “Google” ^_^.
- Extract the file downloaded zip file, right-click on the “Install Take Ownership.reg” file and then click the “Merge” option. If you see the following file security warning, please click the “Run” button.
- To remove the “Take Ownership” option from right-click menu, please select the “Uninstall Take Ownership.reg” file extracted above and do it with the same steps.
Step 2: Fix the Error
- Open the path: “C:\Windows\SysWOW64”
- Right-click on the “Pniopcac.exe” file -> “Take Ownership”
- Rename the “Pniopcac.exe” file to “Pniopcac-backup.exe”
- Restart your computer and enjoy the result
Note: After you rename the file, if your computer has a program (or more) not working normally, you rename the file again. Please, notify us by commenting below. Thank you.
Guide Video to fix pniopcac.exe assertion error on Windows 10
If you can not watch the video above, you can watch it on my Youtube channel – Link or my video area.
If you can not watch the video on Youtube, please watch: Here
Direct Link Download
- Take Ownership Tool: Link
- Unlocker Tool v1.9.2: Link
Update 2022 – A new way to fix the “pniopcac.exe assertion error”
We make a new video to fix the assertion error “pniopcac.exe” on Windows 11 x64. You can try the way for all Windows versions. Please watch the video below
Guide Video to fix pniopcac.exe assertion error on Windows 11 x64
If you can not watch the video on Youtube, please watch: Here
Good luck!
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В нашей базе содержится 15 разных файлов с именем pniopcac.exe . You can also check most distributed file variants with name pniopcac.exe. Чаще всего эти файлы принадлежат продукту SIMATIC NET Software. Наиболее частый разработчик — компания Siemens AG. Самое частое описание этих файлов — PROFInetIO System . Совокупная оценка — 5(5) (комментариев: 1).Это исполняемый файл. Вы можете найти его выполняющимся в диспетчере задач как процесс pniopcac.exe.
Подробности о наиболее часто используемом файле с именем «pniopcac.exe»
- Продукт:
- SIMATIC NET Software
- Компания:
- Siemens AG
- Описание:
- PROFInetIO System
- Версия:
- 8.1.1.4312
- MD5:
- bca0ebe9337a510b3e969b549e04606a
- SHA1:
- e0e5615a5d2f3611d21b3f3892a206957e59ec74
- SHA256:
- ae3a317d639ba58c70bfe761efbcdfcae0f88f512bfc3c1eda4696c189d16982
- Размер:
- 9079296
- Папка:
- %COMMONFILES%\Siemens\SimNetCom
- ОС:
- Windows 7
- Частота:
- Средняя
Процесс «pniopcac.exe» безопасный или опасный?
100% файлов помечены как безопасные .
Последний новый вариант файла «pniopcac.exe» был обнаружен 3860 дн. назад. В нашей базе содержится 8 шт. вариантов файла «pniopcac.exe» с окончательной оценкой Безопасный и ноль вариантов с окончательной оценкой Опасный . Окончательные оценки основаны на комментариях, дате обнаружения, частоте инцидентов и результатах антивирусных проверок.
Комментарии пользователей для «pniopcac.exe»
Текущим параметрам фильтрации удовлетворяют несколько файлов. Будут показаны комментарии ко всем файлам.
Комментарии ко всем файлам с именем «pniopcac.exe»
-
БЕЗОПАСНЫЙоценка пользователя Pinot для файла %PROGRAMFILES%\SIEMENS\SIMATIC.NET\SimNetCom\pniopcac.exe
Добавить комментарий для «pniopcac.exe»
Для добавления комментария требуется дополнительная информация об этом файле. Если вам известны размер, контрольные суммы md5/sha1/sha256 или другие атрибуты файла, который вы хотите прокомментировать, то вы можете воспользоваться расширенным поиском на главной странице .
Если подробности о файле вам неизвестны, вы можете быстро проверить этот файл с помощью нашей бесплатной утилиты. Загрузить System Explorer.
Проверьте свой ПК с помощью нашей бесплатной программы
System Explorer это наша бесплатная, удостоенная наград программа для быстрой проверки всех работающих процессов с помощью нашей базы данных. Эта программа поможет вам держать систему под контролем. Программа действительно бесплатная, без рекламы и дополнительных включений, она доступна в виде установщика и как переносное приложение. Её рекомендуют много пользователей.
Symptom
When connecting to a Lock from Key software, an error message about «pniopcac.exe» is displayed.
Cause
This is a specific problem that may occur after Key software update in environments having Siemens software installed.
Recommended action
Switch “PROFINET IO RT-Protocol V2.x” off from the VPN adapter:
- Open properties of the Tosibox TAP-Windows adapter
- deselect checkbox of following protocol: PROFINET IO RT-Protocol V2.x
- Reconnect to Lock, warnings should not appear anymore.
If this doesn’t help, see more solutions on Siemens support site
Updated March 2023: Stop getting error messages and slow down your system with our optimization tool. Get it now at this link
- Download and install the repair tool here.
- Let it scan your computer.
- The tool will then repair your computer.
pniopcac.exe is a part of Microsoft® Windows® Operating System program developed by SIEMENS AG.Some applications or games may need this file to work properly. If pniopcac.exe is error, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below:
- Company: SIEMENS AG
- Product: SIMATIC NET Software
- Version: V12.00.00.00_45.09.0
- MD5: 144346ae975895aa962949db7e2ef141
- Size: 9251624 Byte
Is pniopcac.exe a virus
The legit pniopcac.exe process is located in the c: \programme \siemens \simatic.net \simnetcom \ \pniopcac.exe folder. If it is located elsewhere, it could be malware as a virus can have any name. Some virus can pretend to be pniopcac.exe and reside in the Windows or the System32 folder. One way to confirm would be to right-click on the file and use anti-virus software to scan it — download anti-virus here
What is pniopcac.exe is error mean?
There are multiple reasons that may cause pniopcac.exe errors. These include Windows registry issues, malicious software, faulty applications, etc.Error messages related to the pniopcac.exe file can also indicate that the file has been incorrectly installed, corrupted or removed.
Other common pniopcac.exe errors include:
- “pniopcac.exe is missing”
- “pniopcac.exe error loading”
- “pniopcac.exe crash”
- “pniopcac.exe was not found”
- “pniopcac.exe could not be located”
- “pniopcac.exe Access Violation”
- “The procedure entry point pniopcac.exe error”
- “Cannot find pniopcac.exe”
- “Cannot register pniopcac.exe”
Recommended Solution to Fix pniopcac.exe error
To quickly resolve your problem, we recommend download and use pniopcac.exe Fix Tool,this tool perform a scan for pniopcac.exe issues and other system errors. It will also check if all .dll and .exe files are registered in the system and scan for other issues that may be preventing system from working properly. After the scan process, it will allow you to repair the errors.
Step 1: Click the “Download Here” button to get an automatic tool.
Step 2: Install the utility by following simple installation instructions.
Step 3: Launch the program to fix your pniopcac.exe errors and other issues.
Download Fix Tool to Remove pniopcac.exe Error