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en[EVENT1000] Application Error: explorer.exe and msvcrt.dll
This article is about [Event ID 1000] recorded in the event log.
As a result of the survey, the following was found.
- Recorded when you click "Programs and Features" pinned to the Start Menu tile
- "Program and function" registered in the exception list of QTTabBar is causing an error
Well, the main subject.
Now that we know the cause of the error and how to fix it, we will share the information for QTTabBar users.- Cause of the error: QTTabBar
- How to Repair: Remove "Programs and Features" from the QTTabBar Exceptions List
It also describes how to use the system file checker (SFC | DISM).
QTTabBar?
QTTabBar is software that adds tab functions like Windows to Windows Explorer.In addition, there are functions such as getting the full path of a folder or file and previewing the contents of the file when the mouse cursor is placed on the media file.
Event Log
message | Faulting application name: explorer.exe, version: 10.0.16299.192, time stamp: 0x494a4408. Faulting module name: msvcrt.dll, version: 7.0.16299.125, time stamp: 0x20688290 Exception code: 0xc00000fd Fault offset: 0x0000000000054cf3 Faulting process ID: 0xf8c Start time of the failing application: 0x01d3b50c2e35b619 Faulting Application Path: C:\WINDOWS\explorer.exe Faulting module path: C:\WINDOWS\System32\msvcrt.dll Report ID: 5772f724-b376-461d-8e9f-c76f82cb79e4 Full name of the failing package: Application ID associated with the failing package: |
The name of the log | Application |
Source | Application Error |
Event id | 1000 |
level | error |
user | N /A |
Opcode | None |
When the log is recorded
I have verified that logs are being logged when I perform the following steps:- Click the start button
- Click "Programs and Features" fixed in the tile menu
- Event log is recorded (Event ID 1000)

The criminal is QTTabBar
further,After investigating the customized settings and the free software that I use regularly, I was able to identify that this log was caused by the "program and function" registered in the exclusion list of QTTabBar.
When I removed "Programs and Features" from the exclusion list, logging stopped.
I should have suspected QTTabBar first, as the keyword "explorer.exe" was recorded in the message in the event log.

Common Start Menu Repair Methods
By the time I got to QTTabBar, I ran the system file checker, so I will share how to use it.If your Start Menu isn't working, you can fix it by running System File Checker. (Except this time)
[System File Checker]
- SFC: System File Checker
- DISM: Deployment Image Servicing and Management
SFC and DISM are command-line tools that come with Windows that are said to be effective when run when things go bad.
The usage image of SFC is as follows.
For more information on SFC /DISM, please read the related article.
together,
I tried to reinstall Microsoft .NET Framework 4.7.1, so I'll give you an overview
1. Executing SFC
SFC runs with Windows PowerShell started in administrator mode.
>_
| Administrator: Windows PowerShell | ー □ × |
Windows PowerShell Copyright (C) Microsoft Corporation. All rights reserved. | ||
PS C:\>sfc /scannow System scan is starting. This will take some time. The system scan verification phase is starting. Verification 100% complete. Windows Resource Protection did not detect an integrity violation. |
2. Install Microsoft .NET Framework 4.7.1
I tried to reinstall Microsoft .NET Framework 4.7.1 from "Enabling or disabling Windows features", but the latest version was displayed as installed and the installation was interrupted."Turn Windows features on or off" starts programs and features and selects from the menu in the left pane.
Control Panel\All Control Panel Items\Programs and Features
Enable or disable Windows features
This computer has the .NET Framework 4.7.1 or a later update already installed.

File Name | NDP471-KB4033342-x86-x64-AllOS-ENU.exe |
Date Published | 10/13/2017 |
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Afterword
Until I knew QTTabBar was the source of the error, I ran into SFC, DISM, and tried to reinstall Microsoft .NET Framework 4.7.1.SFC and DISM are genuine Microsoft tools that check the integrity of Windows system files stored in C:\Windows\System32 and replace them with the correct files if there is a problem.
If Windows gets sick after applying the feature update that is released twice a year, running SFC and DISM as a set may solve the problem.
See Related Articles for SFC and DISM.
External link
Validation: Windows 10 Pro Fall Creators Update, v1709
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