Sysclass.dll download

System Class Installer Library

Since you decided to visit this page, chances are you’re either looking for sysclass.dll file, or a way to fix the “sysclass.dll is missing” error. Look through the information below, which explains how to resolve your issue. On this page, you can download the sysclass.dll file as well.

What is Sysclass.dll?

Sysclass.dll a DLL (Dynamic Link Library) file, developed by Microsoft, which is referred to essential system files of the Windows OS. It usually contains a set of procedures and driver functions, which may be applied by Windows.

What is Sysclass.dll used for?

Sysclass.dll file, also known as System Class Installer Library, is commonly associated with Microsoft® Windows® Operating System. It is an essential component, which ensures that Windows programs operate properly. Thus, if the sysclass.dll file is missing, it may negatively affect the work of the associated software.

What is Sysclass.dll is missing error mean?

There are multiple reasons that may cause sysclass.dll errors. These include Windows registry issues, malicious software, faulty applications, etc.

Error messages related to the sysclass.dll file can also indicate that the file has been incorrectly installed, corrupted or removed.

Other common sysclass.dll errors include:

  • “sysclass.dll is missing”
  • “sysclass.dll error loading”
  • “sysclass.dll crash”
  • “sysclass.dll was not found”
  • “sysclass.dll could not be located”
  • “sysclass.dll Access Violation”
  • “The procedure entry point sysclass.dll error”
  • “Cannot find sysclass.dll”
  • “Cannot register sysclass.dll”
sysclass.dll - System Error The program can`t start because sysclass.dll is missing from your computer. Try reinstalling the program to fix problem.

How to fix Sysclass.dll missing error?

If the “sysclass.dll is missing” error occurs, you may use one of the methods below – manual or automatic – to solve the problem. The manual method assumes that you download the sysclass.dll file and put it inside the game/application installation folder, while the second method is much easier as it allows you to automatically fix the error with minimum effort.

Method 1: Download Sysclass.dll

Search through available versions of sysclass.dll from the list below, select the correct file and press the “Download” link. If you cannot decide which version to choose, read the article below or use the automatic method to resolve the issue

Sysclass.dll, 5 available versions

Bits & Version File size Language Description Checksums
32bit 6.2.9200.16384 150.0 KB U.S. English System Class Installer Library
MD5 a18939e49dbc68f0cebf7babcabeeb5e
SHA1 4a24ebf6f6e19b81da50dd737d0cf3807abf2de8
32bit 6.1.7601.17514 193.5 KB U.S. English System Class Installer Library
MD5 73869a8a7af77801387a36cf9b9b5886
SHA1 2625e6d6204f1ec4c6e30634e8987af1fa3a57d2
64bit 6.0.6000.16386 112.0 KB U.S. English System Class Installer Library
MD5 ae71da37094497c5a5b6f9f20dacd0e2
SHA1 c026c55b2183b63301aebc1f5a2c9e31044773be
64bit 10.0.14393.0 127.0 KB U.S. English System Class Installer Library
MD5 5967e47a5edeeee36bb10d72dd497d74
SHA1 e49b73f726bb8e2251a34925e1fe15e05eaf108c
64bit 10.0.10586.0 127.0 KB U.S. English System Class Installer Library
MD5 9ef203a318904f76d841a7b748be96cd
SHA1 b7f5d08c90ea5b8e8a57089ec9c3b4d4a559c5e6

How to choose the correct version of Sysclass.dll?

First, look through descriptions in the table above and select the proper file for your program. Pay attention to whether it’s a 64-, or 32-bit file, as well as the language it uses. For 64-bit programs, use 64-bit files if they are listed above.

It’s best to choose those dll files which language corresponds to the language of your program, if possible. We also recommend downloading the latest versions of dll files for an up-to-date functionality.

Where to place the Sysclass.dll file?

To repair the “sysclass.dll is missing” error, put the file inside the application/game installation folder. Alternatively, you can place the sysclass.dll file within the Windows system directory.

How to register Sysclass.dll?

If putting the missing sysclass.dll file into the proper directory doesn’t solve the problem, you’ll have to register it. To do so, copy your DLL file to the C:\Windows\System32 folder, and open a command prompt with admin rights. There, type “regsvr32 sysclass.dll” and press Enter.

Method 2: Fix the missing Sysclass.dll error automatically

With WikiDll Fixer you can automatically repair sysclass.dll errors. The utility will not only download the correct version of sysclass.dll for absolutely free and suggest the right directory to install it but also resolve other issues related to the sysclass.dll file.
  • Step 1: Click the “Download App. ” button to get an automatic tool, provided by WikiDll.
  • Special offer. See more information about Outbyte and unistall instrustions. Please review Outbyte EULA and Privacy Policy

  • Step 2: Install the utility by following simple installation instructions.
  • Step 3: Launch the program to fix your sysclass.dll errors and other issues.

special offer


See more information about Outbyte and unistall instrustions. Please review Outbyte EULA and Privacy Policy

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: windows-versions

Limitations: trial version offers an unlimited number of scans, backup, restore of your windows registry for FREE. Full version must be purchased.

Method 3: Fix Sysclass.dll missing error with System File Checker (SFC)

Many users are familiar with the sfc / scannow system file integrity check command, which automatically checks and fixes protected Windows system files. To execute this command, you have to run command prompt as administrator.
  • Step 1: Start the command line as an administrator in Windows by pressing Win key on your keyboard and typing "Command Prompt" in the search field, then - right-click on the result and select Run as administrator. Alternatively, you can press Win + X key combination which will open the menu where you can select Command Prompt (Admin).
  • Step 2: Type sfc / scannow while in Command Prompt and hit Enter.

After entering the command, a system check will begin. It will take a while, so please be patient. Once operation is complete you will get the message “Windows Resource Protection found corrupt files and successfully repaired them.” or “Windows Resource Protection found corrupt files but was unable to fix some of them”.

Keep in mind that System File Checker (SFC) cannot fix integrity errors for those system files that are currently being used by operating system. To fix these files you have to run SFC command through the command prompt in the Windows recovery environment. You can get into Windows Recovery Environment from the login screen, by clicking Shutdown, then holding down the Shift key while selecting Restart.

In Windows 10, you can press Win key, select Settings > Update & security > Recovery and under Advanced Startup, click Restart now. You can also boot from the installation disk or bootable USB flash drive with the Windows 10 distribution. On the installation screen select your preferred language and then select “System Restore”. After that, go to “Troubleshooting” > “Advanced Settings” > “Command Prompt”. Once in Command Prompt type the following command: sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows where C is the partition with the installed operating system, and C: \ Windows is the path to the Windows 10 folder.

This operation will take a while and it is important to wait until it is complete. When finished, close the command prompt and restart the computer as usual.

Method 4: Fix corrupted Sysclass.dll file by performing System Restore

System Restore is very useful when you want to fix sysclass.dll error. Using the "System Restore" function, you can choose restore Windows to the date when the sysclass.dll file was not damaged. Thus, restoring Windows to an earlier date cancels changes made to system files. Please follow the steps below to roll back Windows using System Restore and get rid of sysclass.dll error.
  • Step 1: Press the Win + R keys combination to launch Run dialog.
  • Step 2: Type rstrui in the Run text box and click OK or hit Enter. It will open the system recovery utility.
  • Step 3: The “System Restore” window may include the “Choose a different restore point” option. If so, select this option and click Next. Check the “Show more restore points” checkbox to see a complete list of dates.
  • Step 4: Select a date to restore Windows 10. Keep in mind that you need to select a recovery point that will restore Windows to the date when the sysclass.dll error message did not appear.
  • Step 5: Click the "Next" button and then click "Finish" to confirm your restore point.

At this point, your computer will reboot normally and boot up with restored version of Windows, and sysclass.dll error should be resolved.

Method 5: Scan your PC for malware to fix sysclass.dll error

Sometimes sysclass.dll error can happen because of malware on your computer. The malicious software can intentionally corrupt DLL files in order to substitute them with its own malicious files. Therefore, your number one priority should be to scan your computer for malware and eliminate it as soon as possible.

OPTION 1 - Windows Defender

The new version of Windows 10 has a built-in application called "Windows Defender", which allows you to check your computer for viruses and remove malware, which is difficult to remove in a running operating system. In order to use the Windows Defender Offline scan, go to the settings (Start - Gear icon or Win + I key), select "Update and Security" and go to the "Windows Defender" section.
How to use Windows Defender Offline Scan
  • Step 1: Press Win key or click on Start and click on Gear icon. Alternatively press Win + I key combination.
  • Step 2: Select Update and Security option and go to Windows Defender section.
  • Step 3: At the bottom of the defender settings there is the checkbox " Windows Defender Offline scan". To start it, click "Scan Now". Note that you have to save all unsaved data before rebooting your PC.

After clicking “Scan Now” burton, the computer will reboot and automatically start searching viruses and malware. Upon completion of the scan, the computer will restart, and in the notifications, you will see a report on the completed scan.

OPTION 2 - Malwarebytes

Malwarebytes products are one of the most popular and effective to fight malware and unwanted programs, and they will come in handy even when you have a high-quality third-party antivirus installed. Scanning in the new version of Malwarebytes can be performed in real time and manually. To initiate manual scan please follow the steps below:
  • Step 1: Launch the Malwarebytes program and click Scan Now button. Also, you can select Scan option on the left side of the program’s window and click Full Scan. The system will begin scanning and you will be able to see the scan results.
  • Step 2: Select items that you want to quarantine and press “Quarantine Selected” button. When quarantined, you may be prompted to reboot the computer.
  • Step 3: After the program has been restarted, you can delete all quarantined objects by going to the appropriate section of the program or restore some of them if it turned out that after quarantining something from your software began to work incorrectly.

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