Download Rassapi.dll for Windows 10, 8.1, 8, 7, Vista and XP

Rassapi.dll download. The Rassapi.dll file is a dynamic link library for Windows 10, 8.1, 8, 7, Vista and XP. You can fix "The file Rassapi.dll is missing." and "Rassapi.dll not found." errors by downloading and installing this file from our site.

What is Rassapi.dll? What Does It Do?

The Rassapi.dll library is 0.02 MB. The download links are current and no negative feedback has been received by users. It has been downloaded 1377 times since release.

Operating Systems Compatible with the Rassapi.dll Library

Other Versions of the Rassapi.dll Library

The newest version of the Rassapi.dll library is the 5.1.2600.5512 version. There have been 5 versions released before this version. All versions of the Dynamic link library have been listed below from most recent to oldest.

  1. 5.1.2600.5512 - 32 Bit (x86) Download this version
  2. 5.1.2600.2180 - 32 Bit (x86) (2012-07-31) Download this version
  3. 5.1.2600.2180 - 32 Bit (x86) Download this version
  4. 5.1.2600.1106 - 32 Bit (x86) Download this version
  5. 5.2.3790.0 - 32 Bit (x86) Download this version
  6. 5.2.3790.0 - 32 Bit (x86) Download this version

Guide to Download Rassapi.dll

  1. First, click on the green-colored "Download" button in the top left section of this page (The button that is marked in the picture).
    Start downloading the Rassapi.dll library
    Step 1:Start downloading the Rassapi.dll library
  2. When you click the "Download" button, the "Downloading" window will open. Don't close this window until the download process begins. The download process will begin in a few seconds based on your Internet speed and computer.

Methods to Fix the Rassapi.dll Errors

ATTENTION! Before starting the installation, the Rassapi.dll library needs to be downloaded. If you have not downloaded it, download the library before continuing with the installation steps. If you don't know how to download it, you can immediately browse the dll download guide above.

Method 1: Fixing the DLL Error by Copying the Rassapi.dll Library to the Windows System Directory

  1. The file you are going to download is a compressed file with the ".zip" extension. You cannot directly install the ".zip" file. First, you need to extract the dynamic link library from inside it. So, double-click the file with the ".zip" extension that you downloaded and open the file.
  2. You will see the library named "Rassapi.dll" in the window that opens up. This is the library we are going to install. Click the library once with the left mouse button. By doing this you will have chosen the library.
    Choosing the Rassapi.dll library
    Step 2:Choosing the Rassapi.dll library
  3. Click the "Extract To" symbol marked in the picture. To extract the dynamic link library, it will want you to choose the desired location. Choose the "Desktop" location and click "OK" to extract the library to the desktop. In order to do this, you need to use the Winrar program. If you do not have this program, you can find and download it through a quick search on the Internet.
    Extracting the Rassapi.dll library to the desktop
    Step 3:Extracting the Rassapi.dll library to the desktop
  4. Copy the "Rassapi.dll" library file you extracted.
  5. Paste the dynamic link library you copied into the "C:\Windows\System32" directory.
    Pasting the Rassapi.dll library into the Windows/System32 directory
    Step 5:Pasting the Rassapi.dll library into the Windows/System32 directory
  6. If your operating system has a 64 Bit architecture, copy the "Rassapi.dll" library and paste it also into the "C:\Windows\sysWOW64" directory.
    NOTE! On 64 Bit systems, the dynamic link library must be in both the "sysWOW64" directory as well as the "System32" directory. In other words, you must copy the "Rassapi.dll" library into both directories.
    Pasting the Rassapi.dll library into the Windows/sysWOW64 directory
    Step 6:Pasting the Rassapi.dll library into the Windows/sysWOW64 directory
  7. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 7:Running the Command Line as an administrator
  8. Paste the command below into the Command Line window that opens and hit the Enter key on your keyboard. This command will delete the Rassapi.dll library's damaged registry (It will not delete the file you pasted into the System32 directory, but will delete the registry in Regedit. The file you pasted in the System32 directory will not be damaged in any way).
    %windir%\System32\regsvr32.exe /u Rassapi.dll
    Uninstalling the Rassapi.dll library from the system registry
    Step 8:Uninstalling the Rassapi.dll library from the system registry
  9. If you are using a Windows version that has 64 Bit architecture, after running the above command, you need to run the command below. With this command, we will clean the problematic Rassapi.dll registry for 64 Bit (The cleaning process only involves the registries in Regedit. In other words, the dynamic link library you pasted into the SysWoW64 will not be damaged).
    %windir%\SysWoW64\regsvr32.exe /u Rassapi.dll
    Uninstalling the Rassapi.dll library's problematic registry from Regedit (for 64 Bit)
    Step 9:Uninstalling the Rassapi.dll library's problematic registry from Regedit (for 64 Bit)
  10. You must create a new registry for the dynamic link library that you deleted from the registry editor. In order to do this, copy the command below and paste it into the Command Line and hit Enter.
    %windir%\System32\regsvr32.exe /i Rassapi.dll
    Creating a new registry for the Rassapi.dll library
    Step 10:Creating a new registry for the Rassapi.dll library
  11. Windows 64 Bit users must run the command below after running the previous command. With this command, we will create a clean and good registry for the Rassapi.dll library we deleted.
    %windir%\SysWoW64\regsvr32.exe /i Rassapi.dll
    Creating a clean and good registry for the Rassapi.dll library (64 Bit için)
    Step 11:Creating a clean and good registry for the Rassapi.dll library (64 Bit için)
  12. If you did the processes in full, the installation should have finished successfully. If you received an error from the command line, you don't need to be anxious. Even if the Rassapi.dll library was installed successfully, you can still receive error messages like these due to some incompatibilities. In order to test whether your dll issue was fixed or not, try running the program giving the error message again. If the error is continuing, try the 2nd Method to fix this issue.

Method 2: Copying The Rassapi.dll Library Into The Program Installation Directory

  1. In order to install the dynamic link library, you need to find the installation directory for the program that was giving you errors such as "Rassapi.dll is missing", "Rassapi.dll not found" or similar error messages. In order to do that, Right-click the program's shortcut and click the Properties item in the right-click menu that appears.
    Opening the program shortcut properties window
    Step 1:Opening the program shortcut properties window
  2. Click on the Open File Location button that is found in the Properties window that opens up and choose the folder where the application is installed.
    Opening the installation directory of the program
    Step 2:Opening the installation directory of the program
  3. Copy the Rassapi.dll library into the directory we opened up.
    Copying the Rassapi.dll library into the program's installation directory
    Step 3:Copying the Rassapi.dll library into the program's installation directory
  4. That's all there is to the installation process. Run the program giving the dll error again. If the dll error is still continuing, completing the 3rd Method may help fix your issue.

Method 3: Doing a Clean Install of the program That Is Giving the Rassapi.dll Error

  1. Press the "Windows" + "R" keys at the same time to open the Run tool. Paste the command below into the text field titled "Open" in the Run window that opens and press the Enter key on your keyboard. This command will open the "Programs and Features" tool.
    appwiz.cpl
    Opening the Programs and Features tool with the Appwiz.cpl command
    Step 1:Opening the Programs and Features tool with the Appwiz.cpl command
  2. The Programs and Features window will open up. Find the program that is giving you the dll error in this window that lists all the programs on your computer and "Right-Click > Uninstall" on this program.
    Uninstalling the program that is giving you the error message from your computer.
    Step 2:Uninstalling the program that is giving you the error message from your computer.
  3. Uninstall the program from your computer by following the steps that come up and restart your computer.
    Following the confirmation and steps of the program uninstall process
    Step 3:Following the confirmation and steps of the program uninstall process
  4. After restarting your computer, reinstall the program.
  5. You may be able to fix the dll error you are experiencing by using this method. If the error messages are continuing despite all these processes, we may have a issue deriving from Windows. To fix dll errors deriving from Windows, you need to complete the 4th Method and the 5th Method in the list.

Method 4: Fixing the Rassapi.dll Error Using the Windows System File Checker

  1. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 1:Running the Command Line as an administrator
  2. Paste the command below into the Command Line that opens up and hit the Enter key.
    sfc /scannow
    Scanning and fixing system errors with the sfc /scannow command
    Step 2:Scanning and fixing system errors with the sfc /scannow command
  3. This process can take some time. You can follow its progress from the screen. Wait for it to finish and after it is finished try to run the program that was giving the dll error again.

Method 5: Getting Rid of Rassapi.dll Errors by Updating the Windows Operating System

Some programs require updated dynamic link libraries from the operating system. If your operating system is not updated, this requirement is not met and you will receive dll errors. Because of this, updating your operating system may solve the dll errors you are experiencing.

Most of the time, operating systems are automatically updated. However, in some situations, the automatic updates may not work. For situations like this, you may need to check for updates manually.

For every Windows version, the process of manually checking for updates is different. Because of this, we prepared a special guide for each Windows version. You can get our guides to manually check for updates based on the Windows version you use through the links below.

Explanations on Updating Windows Manually

  1. Explanation on Updating Windows 10 Manually
  2. Explanation on Updating Windows 8.1 and Windows 8 Manually
  3. Explanation on Updating Windows 7 and Windows Vista Manually
  4. Explanation on Updating Windows XP Manually

Our Most Common Rassapi.dll Error Messages

The Rassapi.dll library being damaged or for any reason being deleted can cause programs or Windows system tools (Windows Media Player, Paint, etc.) that use this library to produce an error. Below you can find a list of errors that can be received when the Rassapi.dll library is missing.

If you have come across one of these errors, you can download the Rassapi.dll library by clicking on the "Download" button on the top-left of this page. We explained to you how to use the library you'll download in the above sections of this writing. You can see the suggestions we gave on how to solve your problem by scrolling up on the page.

  1. "Rassapi.dll not found." error
  2. "The file Rassapi.dll is missing." error
  3. "Rassapi.dll access violation." error
  4. "Cannot register Rassapi.dll." error
  5. "Cannot find Rassapi.dll." error
  6. "This application failed to start because Rassapi.dll was not found. Re-installing the application may fix this problem." error