Fix cscobj.dll Errors

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

cscobj.dll file In-proc COM object used by clients of CSC API. 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 cscobj.dll related errors on your device. You can also download cscobj.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename cscobj.dll
File extension DLL
Description In-proc COM object used by clients of CSC API
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to cscobj.dll 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 cscobj.dll 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.

cscobj.dll 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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with cscobj.dll 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.

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 cscobj.dll 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

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 cscobj.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the cscobj.dll file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the cscobj.dll 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 cscobj.dll file

The last solution is to manually download and replace cscobj.dll 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 cscobj.dll file.

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

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

If the steps did not solve your cscobj.dll 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 cscobj.dll
System Windows 10
File size 210432 bytes
Date 2017-03-18
File details
MD5 6cf96c2f369b0176e236e8b2a65d6344
SHA1 6a1753a3202d996ce000e341d2b5703c34776d06
SHA256 431b24fb05ff1cc7f8e9c864c742516bb6b0daa7b79e7a965284a3f46631f144
CRC32 e189bda9
Example file location C:\Windows\System32\
Filename cscobj.dll
System Windows 8.1
File size 215040 bytes
Date 2014-11-21
File details
MD5 2c10b57003df2eb2284ca4bf15651f2a
SHA1 bb2052eabad43e1b21c90a2659026162218f23f5
SHA256 9fbf8ceaa4d1e9fbe6a5ddb8c58c39532b06340779153c1f224b2c9ab0d25ae6
CRC32 380deff5
Example file location C:\Windows\System32\
Filename cscobj.dll
System Windows 8
File size 193024 bytes
Date 2012-07-26
File details
MD5 c2acf1c8a65b98a86b33499c19699b40
SHA1 6b135099da62975ed6ecefbcbbcf8ce965351f0e
SHA256 857dc7ef908f5a41f3674c5710b8b756c0e5cdb217b7adcb091ca6abb99fa024
CRC32 78394caa
Example file location 1: C:\Windows\System32\
Filename cscobj.dll
System Windows 7
File size 240640 bytes
Date 2010-11-21
File details
MD5 234afa322624b3203a2e720f08292b03
SHA1 4b64f1406b5e0b29bc93b1d0678614ba80cdd798
SHA256 0c0acdd63fd82edd34442e9e0763872ba6bf6ac73ab89147ea5fdd1e0229cc0a
CRC32 8706f17a
Example file location C:\Windows\System32\
Filename cscobj.dll
System Windows 7
File size 139264 bytes
Date -0001-11-30
File details
MD5 cf4274ceea9f7791fb7fc40a066bc2c7
SHA1 cf60cb22278816bad37906e3875588353b4c9ecf
SHA256 c153ec0d420261185001b354955df85c6e842334d34e70bb69cecc3afc8ce36c
CRC32 efa89d32
Example file location C:\Windows\System32\
Filename cscobj.dll
System Windows Vista
File size 131584 bytes
Date -0001-11-30
File details
MD5 2cdaf8849a20d8df8acce36bbb8849f3
SHA1 88436b55ca5d6ab49b4253202502c79e4604ee57
SHA256 a2a2d7d523d7e26eb14ecb70a8f1c45e6e27d8298b9385e4c6e17473eb0feeba
CRC32 d3b33624
Example file location ---
Filename cscobj.dll
System Windows Vista
File size 216576 bytes
Date 2009-04-11
File details
MD5 550c7c1acfa47f940a81cc1e8a02e3dc
SHA1 6314f5f25cfcb187001acd6bdbc0d77e84980471
SHA256 af3c6dd94f9d85e0ea24ab18a526856f263d30510cb5d39128ff87792d3b95f5
CRC32 1072e575
Example file location ---