Iassdo.dll download

NPS SDO Component

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

What is Iassdo.dll?

Iassdo.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 Iassdo.dll used for?

Iassdo.dll file, also known as NPS SDO Component, is commonly associated with Microsoft® Windows® Operating System. It is an essential component, which ensures that Windows programs operate properly. Thus, if the iassdo.dll file is missing, it may negatively affect the work of the associated software.

What is Iassdo.dll is missing error mean?

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

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

Other common iassdo.dll errors include:

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

How to fix Iassdo.dll missing error?

If the “iassdo.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 iassdo.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 Iassdo.dll

Search through available versions of iassdo.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

Iassdo.dll, 10 available versions

Bits & Version File size Language Description Checksums
32bit 6.3.9600.16384 362.0 KB U.S. English NPS SDO Component
MD5 5ccc7b1e9a8a2be0ca5be6494a61e28e
SHA1 0f4b6f92ef6722521224f67f953f8a4d95fe6af0
32bit 6.2.9200.16384 360.5 KB U.S. English NPS SDO Component
MD5 b5581e732782815b1c5c554f4382bb61
SHA1 900898baa41ff1ef61a97a1f3efe2ed45fa1bd0b
32bit 6.1.7600.16385 315.0 KB U.S. English NPS SDO Component
MD5 413ef75b686db3eebee849c25859fbb4
SHA1 33fd117ba04ad2d5de0f606f9d7e4779cd528ec6
32bit 6.0.6001.18000 245.5 KB U.S. English NPS SDO Component
MD5 d0cfd9e20813131a07be70f15c896b39
SHA1 89cf475cda8e368797461031c803ae64bfd2fb23
64bit 6.0.6001.18000 333.0 KB U.S. English NPS SDO Component
MD5 f20c6a0ce075f82377bc70b626fe121a
SHA1 ae11fc458de0d02b5046ff8714d2ab9081ea4085
32bit 5.1.2600.0 243.0 KB Swedish IAS SDO-komponent
MD5 dc4d4a175ca69c4f10b2f0e995380b3d
SHA1 a5a8a272d8d39e05b86d21c58b08de71b71085a5
64bit 10.0.14393.0 441.5 KB U.S. English NPS SDO Component
MD5 4aa9c101febac580affa349e734816f4
SHA1 41f761bbed57dfa4dee42e7576f64ff3c69125d9
32bit 10.0.14393.0 357.0 KB U.S. English NPS SDO Component
MD5 4b43f0939e2315e5fea8b683901cfbda
SHA1 3d049196206d41d7b3c4933cf02c124212dde123
64bit 10.0.10586.0 451.5 KB U.S. English NPS SDO Component
MD5 acb73368b7c3b160666919d1e60478ab
SHA1 ec75de6a926632fe884b9be366c795cafc07545d
32bit 10.0.10586.0 362.0 KB U.S. English NPS SDO Component
MD5 e4bc5de73fe92f9c5000908ff0599565
SHA1 8e5d2e09ae098263215385d122b6d4de06813261

How to choose the correct version of Iassdo.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 Iassdo.dll file?

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

How to register Iassdo.dll?

If putting the missing iassdo.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 iassdo.dll” and press Enter.

Method 2: Fix the missing Iassdo.dll error automatically

With WikiDll Fixer you can automatically repair iassdo.dll errors. The utility will not only download the correct version of iassdo.dll for absolutely free and suggest the right directory to install it but also resolve other issues related to the iassdo.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 iassdo.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 Iassdo.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 Iassdo.dll file by performing System Restore

System Restore is very useful when you want to fix iassdo.dll error. Using the "System Restore" function, you can choose restore Windows to the date when the iassdo.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 iassdo.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 iassdo.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 iassdo.dll error should be resolved.

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

Sometimes iassdo.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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