Microsoft Windows COM win.com

Downloading and Repairing Win.com

Last Updated: 11/26/2023
[Time to Read: ~3-5 minutes]

DOS Command files, such as win.com, are considered a type of Win16 EXE (DOS Command) file. They are associated with the COM file extension, developed by Microsoft for Windows 10.

win.com was first developed on 10/25/2001 in the Windows XP Operating System for Windows XP. The latest version update [v10] for Windows was 10 released on 07/29/2015. win.com is included in Windows 10, Windows XP, and Windows 8.1 versions.

This article discusses complete file details, COM file troubleshooting instructions for problems with win.com, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	win.com
File Extension:	COM file extension
File Type:	Executable Application
Description:	DOS Command
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Program:	Windows 10
Developer:	Microsoft
Software:	Windows
Software Version:	10

File Details
File Size (Bytes):	8960
Oldest File Date:	04/14/2008
Latest File Date:	03/18/2017

View Other win.com Information

File Info	Description
File Size:	8.8 kB
File Modification Date/Time:	2013:08:22 01:42:34+00:00
File Inode Change Date/Time:	2017:11:05 07:04:28+00:00
File Type:	Win16 EXE
MIME Type:	application/octet-stream

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are win.com Error Messages?

win.com Runtime Errors

Runtime errors are Windows errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these COM errors are triggered when win.com is attempted to be loaded either when Windows is starting up, or in some cases already running. Runtime errors are the most common form of COM error you will encounter using Windows.

In most cases, win.com runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these win.com error messages mean that Windows was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, Windows will be unable to start without resolving these errors.

Some of the most common win.com errors include:

win.com - Bad Image.
win.com Application Error.
win.com could not be found.
win.com could not be installed.
win.com could not be launched. Class not registered.
win.com could not be started.
win.com failed to initialize properly.
win.com has encountered a problem and needs to close. We are sorry for the inconvenience.
win.com is not a valid Win32 application.
win.com is not running.
Cannot find win.com.
Error starting program: win.com.
Faulting Application Path: win.com.
The file win.com is missing or corrupt.
Windows failed to start - win.com.

System Error

The program can’t start because win.com is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the win.com error is key to properly resolving these errors. Although most of these COM errors affecting win.com will happen during startup, occasionally you will encounter a runtime error while using Windows 10. This can occur due to poor programming on behalf of Microsoft, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of win.com errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix win.com Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your win.com issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the win.com error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing win.com file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt win.com files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for win.com issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many win.com error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the win.com error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your win.com File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate win.com file version. We maintain a comprehensive database of 100% malware-free win.com files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download win.com Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

Windows XP: C:\Windows\System32\
Windows 8: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 10: C:\Windows\System32\

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve win.com problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download win.com Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying win.com to your appropriate Windows system directory. Microsoft typically does not release Windows COM files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing win.com and all other COM files for Windows. An incorrectly installed COM file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

win.com

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
File Size:	8960
File Date:	08/22/2013
MD5 Checksum:	9a355b75137e8a5f3c384c999cc6dbbc
SHA1 Checksum:	2be21636f3c2899f1217c289351b106118a5e197
SHA256 Checksum:	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win16 EXE
File Modification Date/Time:	08/22/2013

Windows XP

File Name

Software Version

File Version

Architecture

win.com

5.1.2600.0

5.1.2600.0 (xpclient.010817-1148)

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows XP
Software:	Microsoft® Windows® Operating System
Software Version:	5.1.2600.0
File Version:	5.1.2600.0 (xpclient.010817-1148)
File Size:	18432
File Date:	04/14/2008
MD5 Checksum:	f4e19c0616e5a1f1765f74cb768e04a7
SHA1 Checksum:	52e246ae68725cd52f5582a0894b0eb7de5ba727
SHA256 Checksum:	064ab9987f2781bd77a63c2fb27d046cceb21bfde3eee7c7703b5c79948aacd3
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	5.1
Initialized Data Size:	3072
Linker Version:	7.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	4.0
File Modification Date/Time:	04/14/2008

Windows 8.1

File Name

Software Version

File Version

Architecture

win.com

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
File Size:	8960
File Date:	08/22/2013
MD5 Checksum:	9a355b75137e8a5f3c384c999cc6dbbc
SHA1 Checksum:	2be21636f3c2899f1217c289351b106118a5e197
SHA256 Checksum:	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win16 EXE
File Modification Date/Time:	08/22/2013

Windows 8

File Name

Software Version

File Version

Architecture

win.com

6.2.9200.16384

6.2.9200.16384 (win8_rtm.120725-1247)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	Microsoft® Windows® Operating System
Software Version:	6.2.9200.16384
File Version:	6.2.9200.16384 (win8_rtm.120725-1247)
File Size:	8192
File Date:	07/26/2012
MD5 Checksum:	96712f4e1e7d960811ba6aad3631ba97
SHA1 Checksum:	98f48e83510bef3d7c1f4b5fb61267b23aefb0e2
SHA256 Checksum:	d50e953a2eb06d358d72bdb9c5464ddd6afcb09f83a8a21cefc8cba968239dc8
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	6.2
Initialized Data Size:	4608
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.2
File Modification Date/Time:	07/26/2012

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Files Related to win.com

COM Files Related to win.com

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
mode.com	DOS Device MODE Utility	Microsoft® Windows® Operating System (6.1.7600.16385)	30208	C:\Windows\BitLockerDiscoveryVolumeContents\
more.com	More Utility	Microsoft® Windows® Operating System (10.0.15063.0)	24064	C:\Windows\inf\
win.com	DOS Command	Windows 10	8960	C:\Windows\System32\LogFiles\WMI\RtBackup\
mode.com	DOS Device MODE Utility	Microsoft® Windows® Operating System (5.1.2600.0)	19456	C:\Windows\BitLockerDiscoveryVolumeContents\
LOADFIX.COM	DOS Command	Windows 8.1	8960	C:\Windows\System32\LogFiles\WMI\RtBackup\

Other Files Related to win.com

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows Vista	5957	C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd	XML Schema Definition	Windows 8	7504	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 8	15591	C:\Windows\L2Schemas\
WLAN_policy_v1.xsd	XML Schema Definition	Windows 8	7627	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows XP	2241	C:\Windows\L2Schemas\

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