How to fix the Event ID 1001 error in Windows 11/10

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
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  • The Windows Error Reporting Event ID 1001 error can occur because of high system resource usage, conflicting antivirus software, system file corruption, and more besides.
  • If you’re wondering how to fix the Event ID 1001 error, try expanding virtual memory allocation.
  • Disabling certain Windows Security features might also resolve Event ID 1001 if you’ve installed third-party antivirus software.
  • Running antivirus and system file scans are also recommended troubleshooting methods for Event ID 1001.

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Some users have posted on support forums about an Event ID 1001 Windows error. When that error arises in Windows, users’ PCs lock up (freeze). One user’s MS forum post described that issue as follows:

Event ID 1001: I’ve been wrestling with an issue for over a year now, it’s scarce, hard to replicate and harder to diagnose without replacing parts. The whole system will lock up. No audio looping, no stuttering, no precursor just instantly locked. It almost always requires a force restart…

Log Name: Application
Source: Windows Error Reporting
Date: 3/23/2018 11:08:08 PM
Event ID: 1001

Error 1001 often arises when users run specific applications. Thus, this issue can often be an application crash that causes Windows 11/10 PCs to lock up (freeze). Consequently, users usually have to force restart their systems because of it.

This error doesn’t have any kind of pop-up message. However, the quoted user above shows the Event Viewer details for it. That error might have different event names (such as AppHang Transient), but it always has a 1001 ID and Windows Error Reporting source.

What causes the Event ID 1001 error?

The causes for error 1001 can be varied. It can often occur when PCs don’t have sufficient system resources to run certain software. The applications crash when there isn’t enough free RAM available for them.

In other cases, this error can be due to third-party antivirus software conflicting with Windows Security. McAfee has confirmed conflicting McAfee antivirus utilities can cause this error on Windows platforms. Disabling certain Windows Security features can resolve the issue.

Error 1001 can also feasibly occur because of corrupted system files, incorrectly installed software, and malware. Therefore, there are quite a few potential resolutions for it. These are some of the recommended Windows 11/10 troubleshooting methods for error 1001.

How can I fix te Windows Error Reporting Event ID 1001 error in Windows 11/10?

1. Run a system file scan

  1. To bring up the search tool, press the Windows + S key combination.
  2. Enter cmd within the Type here to search box.
  3. Click Run as administrator for the Command Prompt search result.
    Command Prompt search result Windows Error Reporting Event ID 1001
  4. Input this command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
    deployment image command Windows Error Reporting Event ID 1001
  5. To scan system files, enter this command and press Enter : sfc /scannow
    The sfc command Windows Error Reporting Event ID 1001
  6. Wait until the Command Prompt displays a scan outcome.

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2. Scan for malware

  1. First, double-click the Windows Security icon in your system tray.
    Windows Security icon Windows Error Reporting Event ID 1001
  2. Select Virus & threat protection to open the scan tab.
    Windows Security window  Windows Error Reporting Event ID 1001
  3. Click Scan options to view more settings.
    Scan options Windows Error Reporting Event ID 1001
  4. Select the Full scan option.
  5. Click the Scan now button.
    Scan now button Windows Error Reporting Event ID 1001

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Malwarebytes is also a decent third-party utility for purging malware, offering some great protective features while also being capable of removing any existing malware from your PC.

3. Close superfluous background apps

  1. Press the Ctrl + Alt + Delete hotkey, and select the Task Manager option.
    Task Manager option Windows Error Reporting Event ID 1001
  2. Click the End task button for all programs listed under Apps.
  3. Select the End task option for superfluous background apps and services listed under Background processes.
    End task option Windows Error Reporting Event ID 1001
  4. Next, click the Startup tab.
  5. Select the Disable option for any non-essential third-party apps listed there.
Note icon
NOTE
You can also disable background programs as outlined in our How to disable background apps in Windows 11 guide.

4. Free up hard drive space

  1. Launch the Type here to search utility with its Windows + S keyboard shortcut.
  2. Enter Disk cleanup in the search tool’s text box.
  3. Click Disk cleanup to open it.
    Disk Clean-up search result Windows Error Reporting Event ID 1001
  4. Select all the checkboxes in Disk cleanup.
  5. Press the OK button, and select Delete Files to confirm.
    The Disk Clean-up utility Windows Error Reporting Event ID 1001

You might be able to free up more hard drive space with a third-party uninstaller utility. Piriform CCleaner is a popular app choice because it includes more junk file erasure options than most disk cleaners.

Note icon
NOTE
There are also other ways you can free up hard drive storage in Windows 11/10. Our best methods to free up hard disk space on Windows 10/11 guide provides full details about the best cleanup methods.

5. Turn off Cloud-delivered protection

  1. Open Windows Security as covered within resolution two.
  2. Click Virus & threat protection tab within the utility’s window.
    Virus & threat protection tab Windows Error Reporting Event ID 1001
  3. Then click the Manage settings option.
  4. Turn off the Cloud-delivered protection option.
  5. Disable the Automatic sample submission setting.

6. Extend virtual memory allocation

  1. Open the Type here to search tool.
  2. Enter the keyword adust the appearance within the searching box.
  3. Select Adjust the appearance and performance of Window in the search results.
    Adjust the appearance and performance of Windows search result Windows Error Reporting Event ID 1001
  4. Click the Advanced tab on the Performance Options window.
    Advanced tab Windows Error Reporting Event ID 1001
  5. Press the Change button on that tab.
    Change button Windows Error Reporting Event ID 1001
  6. Deselect the Automatically manage page filing file size for all drives checkbox on the Virtual Memory window.
  7. Click the Custom size radio button to select it.
    Custom size Windows Error Reporting Event ID 1001
  8. Enter values in the Initial Size and Maximum Size boxes that will increase virtual memory allocation on your PC. Look at the total paging file size for all drives details to check current values.
  9. Press the OK button on the Virtual Memory window.
    The Ok button Windows Error Reporting Event ID 1001
  10. Click the Apply button.
    Apply button Windows Error Reporting Event ID 1001

7. Reinstall software error 1001 arises for

  1. Right-click the taskbar button for the Start menu and select Run.
  2. Input this text in the Open box and click OK: appwiz.cpl
  3. Next, select software for which error 1001 often arises.
  4. Press the Uninstall button, and click Yes on confirmation prompts.
    Uninstall option Windows Error Reporting Event ID 1001
  5. Click Power on the Start menu, and select the Restart option.
  6. Thereafter, reinstall the software you just uninstalled. It’s recommended that you download the very latest version of it from the publisher’s website.
Note icon
NOTE
You can also remove software with third-party uninstallers, such as IOBit Uninstaller, that incorporate better options and features than Windows’ default uninstaller. IOBit Uninstaller includes additional options for erasing residual files left behind by uninstalled software.

How can I check if error 1001 occurred on my PC in Event Viewer?

If you suspect error 1001 has occurred on your PC, but haven’t checked, have a look through the events log. Event Viewer is a Windows utility that includes logs to help users identify and troubleshoot issues.

You can check for an error 1001 log with that utility as follows.

  1. Right-click the Start taskbar icon to select and open Run.
  2. Click the Event Viewer shortcut on the menu.
    Event Viewer search result Windows Error Reporting Event ID 1001
  3. Double-click Windows logs on the left of Event Viewer.
  4. Then select Application.
    Application log category Windows Error Reporting Event ID 1001
  5. Look for and double-click recent error logs to view them. All those logs include the event IDs, and the on you’re looking for is 1001.
    Event ID number Windows Error Reporting Event ID 1001
  6. Alternatively, click Find on the right of Event Viewer.
    Find tool Windows Error Reporting Event ID 1001
  7. Input 1001 in the Find what box.
  8. Then click Find next to find error 1001 with the search tool.
    The Find window Windows Error Reporting Event ID 1001

If you find an error 1001 log, have a look through the details for it on the General tab. Look for a faulting application path specified there, which can help you identify software the issue occurs for.

There isn’t any specific guaranteed resolution for error 1001. However, applying all the potential resolutions above could feasibly resolve that issue on your PC.

If those fixes aren’t enough, consider contacting Microsoft’s Windows support service via the Contact Microsoft Page for further fixes. Enter an error description, click Get help, and select Contact Support from there. Then you can discuss the error in live chat with a support agent.

You can also chat about the Event ID 1001 error in the comments section below. Have you discovered any other way to fix this issue? If so, let us know about it below.

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