Repair and Download cdfs.sys Now

Sometimes Windows system displays error messages regarding corrupted or missing cdfs.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 cdfs.sys file can therefore effect in failed execution of the started process.

cdfs.sys file CD-ROM File System 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 cdfs.sys related errors on your device. You can also download cdfs.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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 XP

User popularity

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

4 Download cdfs.sys

4.1 List of cdfs.sys file versions

File info

General information
Filename	cdfs.sys
File extension	SYS
Description	CD-ROM File System 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 cdfs.sys file related problems

There are various types of errors related to cdfs.sys file. cdfs.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 cdfs.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

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

cdfs.sys

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

Problems related to cdfs.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 cdfs.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 cdfs.sys errors in just few steps?

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

cdfs.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 cdfs.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 cdfs.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 cdfs.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 cdfs.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the cdfs.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 cdfs.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 cdfs.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 cdfs.sys file

The last solution is to manually download and replace cdfs.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 cdfs.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of cdfs.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: C:\Windows\System32\drivers\
Windows Vista: C:\Windows\System32\drivers\
Windows XP: ---

If the steps did not solve your cdfs.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 cdfs.sys

System Windows 10

File size 74240 bytes

Date 2017-03-18

Download

File details
	MD5	5c85476e66a8c0e64413c49645e50774
	SHA1	4c6f6acc6af8fdeb033b52c8fe5045f654174682
	SHA256	106859382f106720991bff4ed8755122884583083f120302adf97afe9f63801b
	CRC32	528cfb1f
	Example file location	C:\Windows\System32\drivers\

Filename cdfs.sys

System Windows 8.1

File size 73728 bytes

Date 2013-08-22

Download

File details
	MD5	ce232bb0965c0c0b786c3f976ccbfb7d
	SHA1	a76cdee4c6aa778e06b2600475d5cfebdeb7899c
	SHA256	b3ef33018585a1b0b560e774c6127354e45805f01779c5931c345853f9efd48c
	CRC32	dca085b6
	Example file location	C:\Windows\System32\drivers\

Filename cdfs.sys

System Windows 8

File size 89088 bytes

Date 2012-07-26

Download

File details
	MD5	00b4fa77732c7823d292ecd672660882
	SHA1	20a1d8dddae829691d847d2af5317152c7d33a5f
	SHA256	214102b841193654bfcf6618f7d3d1928d303a01eb44a57e6333aa72cfd9f124
	CRC32	380a6164
	Example file location	1: C:\Windows\System32\drivers\

Filename cdfs.sys

System Windows 7

File size 92160 bytes

Date 2009-07-13

Download

File details
	MD5	b8bd2bb284668c84865658c77574381a
	SHA1	7e5daafed2e84d17a77b5a7a7cc3778d3764e226
	SHA256	6c55ba288b626df172fdfea0bd7027faeba1f44ef20ab55160d7c7dc6e717d65
	CRC32	07015f1c
	Example file location	C:\Windows\System32\drivers\

Filename cdfs.sys

System Windows Vista

File size 90624 bytes

Date 2008-01-21

Download

File details
	MD5	b4d787db8d30793a4d4df9feed18f136
	SHA1	1cc0c125cbe6d10efcaa9839499de08fa11fa1b7
	SHA256	2a956f7dcfe61e556f30bda6d45592a05533541d6ed321c251c1c05f6cea6ddc
	CRC32	afef6f6b
	Example file location	C:\Windows\System32\drivers\

Filename cdfs.sys

System Windows XP

File size 63744 bytes

Date 2008-04-14

Download

File details
	MD5	c885b02847f5d2fd45a24e219ed93b32
	SHA1	bd4db2472c8d1e6223ec1984e7648f8faa2cf277
	SHA256	b26b2f8e3a831e2b65eb0c5195b0645cd50e22615ce79c9b0b391cd563b121db
	CRC32	b70e1756
	Example file location	---