How to Download and Fix mouclass.sys?

Sometimes Windows system displays error messages regarding corrupted or missing mouclass.sys files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent mouclass.sys file can therefore effect in failed execution of the started process.

mouclass.sys file Mouse Class Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of mouclass.sys related errors on your device. You can also download mouclass.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista, Windows Vista, Windows XP

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Fix mouclass.sys errors

1 Information about mouclass.sys file
2 Errors related to mouclass.sys file
3 How to fix mouclass.sys related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download mouclass.sys

4.1 List of mouclass.sys file versions

File info

General information
Filename	mouclass.sys
File extension	SYS
Description	Mouse Class Driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Driver
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common mouclass.sys file related problems

There are various types of errors related to mouclass.sys file. mouclass.sys file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to mouclass.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

mouclass.sys is corrupted
mouclass.sys cannot be located
Runtime Error - mouclass.sys
mouclass.sys file error
mouclass.sys file cannot be loaded. Module was not found
cannot register mouclass.sys file:
mouclass.sys file could not be loaded
mouclass.sys file doesn't exist

mouclass.sys

Application could not be started because mouclass.sys file is missing. Reinstall the application to solve the problem.

Problems related to mouclass.sys can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing mouclass.sys file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix mouclass.sys errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

mouclass.sys file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with mouclass.sys file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to mouclass.sys file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of mouclass.sys or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to mouclass.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mouclass.sys file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the mouclass.sys file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the mouclass.sys file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace mouclass.sys file

The last solution is to manually download and replace mouclass.sys file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded mouclass.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mouclass.sys file example directory paths.

Windows 10: C:\Windows\System32\drivers\
Windows 8.1: C:\Windows\System32\drivers\
Windows 8: 1: C:\Windows\System32\drivers\
Windows 7: ---
Windows Vista: ---
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

If the steps did not solve your mouclass.sys file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename mouclass.sys

System Windows 10

File size 45984 bytes

Date 2017-03-18

Download

File details
	MD5	280e1394d8ab5e0b5407bb791b10b026
	SHA1	b5d073075cff12a18257895a48a51832e2f4877e
	SHA256	ba5e29180c0dafd41579faf56d5bc31ac75b9f61e3896946bfb889242f662e63
	CRC32	2b93871f
	Example file location	C:\Windows\System32\drivers\

Filename mouclass.sys

System Windows 8.1

File size 41792 bytes

Date 2014-11-21

Download

File details
	MD5	2da06412de1e35353fff89d1f7b324d9
	SHA1	36c530355d8bf23ed21ee85b6030c842d23649c5
	SHA256	bbc785c249e917b09f6b314d998ad25dbade1d514a5a53424f3495d34d179991
	CRC32	e8c6d289
	Example file location	C:\Windows\System32\drivers\

Filename mouclass.sys

System Windows 8

File size 39152 bytes

Date 2012-07-26

Download

File details
	MD5	9d3f069a705325e7b7cea36bfb65e616
	SHA1	ae6fe507ff2536b9e4768cfdf111ca92e2b68b4b
	SHA256	c32805cbd337f17bb263f1a7677dd03ee4e7017a53c671606c96ef1f686d8b68
	CRC32	c690afa9
	Example file location	1: C:\Windows\System32\drivers\

Filename mouclass.sys

System Windows 7

File size 49216 bytes

Date 2009-07-14

Download

File details
	MD5	7d27ea49f3c1f687d357e77a470aea99
	SHA1	ddc8fd15821f49419ae7bbf5a45df99594eb1c2d
	SHA256	7fe7caf95959f127c6d932c01d539c06d80273c49a09761f6e8331c05b1a7ee7
	CRC32	6cf92791
	Example file location	---

Filename mouclass.sys

System Windows Vista

File size 39992 bytes

Date -0001-11-30

Download

File details
	MD5	9367304e5e412b120cf5f4ea14e4e4f1
	SHA1	82f4d4794fe2dd3276408db7afece1740ba5b68b
	SHA256	f87ebacee27a50e6610fdcb4bd3001c35a99fee6d63d643ff2cbf0d484cd082c
	CRC32	dc307e69
	Example file location	---

Filename mouclass.sys

System Windows Vista

File size 37480 bytes

Date 2006-11-02

Download

File details
	MD5	a4fd87a4ef88efd51065850176d2184b
	SHA1	b850af761760f72155ac4a48eff2ddb4ee459949
	SHA256	32f62380bf1ddd8662b7197e939325d1d40cf57173ca01605052cf0107eb9d51
	CRC32	a4b1a626
	Example file location	---

Filename mouclass.sys

System Windows Vista

File size 39992 bytes

Date -0001-11-30

Download

File details
	MD5	b17d9c235b6cf778a12b4b1dc26352ea
	SHA1	f0c289cebebcceab726fcc22982606ba01891921
	SHA256	1c765a861141a1e61558b4b74b25043c0a39c70dfb4fa9af23d0a45853873c01
	CRC32	accfa74c
	Example file location	---

Filename mouclass.sys

System Windows XP

File size 23040 bytes

Date 2008-04-14

Download

File details
	MD5	35c9e97194c8cfb8430125f8dbc34d04
	SHA1	e0718537a99cf900283414d1db86083aec23ed77
	SHA256	0c0fce6b0a23fb0ecb92e1663e1c72d2dd5b177d82e04782957690b69530db39
	CRC32	f878c3c1
	Example file location	---