Sdohlp.dll download

NPS SDO Helper Component

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

What is Sdohlp.dll?

Sdohlp.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 Sdohlp.dll used for?

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

What is Sdohlp.dll is missing error mean?

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

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

Other common sdohlp.dll errors include:

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

How to fix Sdohlp.dll missing error?

If the “sdohlp.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 sdohlp.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 Sdohlp.dll

Search through available versions of sdohlp.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

Sdohlp.dll, 9 available versions

Bits & Version File size Language Description Checksums
32bit 6.3.9600.16384 410.5 KB U.S. English NPS SDO Helper Component
MD5 7002cad43605b9dd4035413852a5d277
SHA1 57979eb933723f6b074e719b9e7b4934772ceb08
32bit 6.2.9200.16384 407.5 KB U.S. English NPS SDO Helper Component
MD5 501b7a82f419dc4f11d2ef952eb0594e
SHA1 d2124bd56d9b4b12f63b1c7a46d904f2eb952a1d
32bit 6.1.7600.16385 350.0 KB U.S. English NPS SDO Helper Component
MD5 cecf1cdf63f27c05bdabb62b63770b12
SHA1 8f478ab2174ccbeb4d5c24e16f9b9fdec66e2b23
32bit 6.0.6001.18226 179.0 KB U.S. English NPS SDO Helper Component
MD5 037166f979e3ed06cff99dfedddf755a
SHA1 bd5fc05ceec20e3528c75a6e3ba407caa153408b
64bit 6.0.6001.18226 226.0 KB U.S. English NPS SDO Helper Component
MD5 c6c1cfdc66de9702de1b52728bdcc93a
SHA1 258e22b5f5c1e4f36a45596f1658d35cedc83ac1
64bit 10.0.14393.0 528.5 KB U.S. English NPS SDO Helper Component
MD5 8db9007134162f3701e27f556e40a1d5
SHA1 699a662e17745837287d375725f78760426fbb9e
32bit 10.0.14393.0 406.0 KB U.S. English NPS SDO Helper Component
MD5 d2f5fcf1e8e8b1bdacf6a0e3c6cea9f0
SHA1 efb2d27853c8eca13d990ea14c681f45c69b1219
64bit 10.0.10586.0 540.5 KB U.S. English NPS SDO Helper Component
MD5 89c0ad9a332b705415dbd8e1b9041562
SHA1 d8f6dc253d9be9fc5fff8fb8d2abf93b5bb3ad19
32bit 10.0.10586.0 407.5 KB U.S. English NPS SDO Helper Component
MD5 b35f243f9f1ce7d93ce2aa3343eb708d
SHA1 0c246f212870fe2276a2d00b0fd28ff5996f605f

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

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

How to register Sdohlp.dll?

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

Method 2: Fix the missing Sdohlp.dll error automatically

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

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

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

Sometimes sdohlp.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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