Osuninst.dll download

Uninstall Interface

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

What is Osuninst.dll?

Osuninst.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 Osuninst.dll used for?

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

What is Osuninst.dll is missing error mean?

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

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

Other common osuninst.dll errors include:

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

How to fix Osuninst.dll missing error?

If the “osuninst.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 osuninst.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 Osuninst.dll

Search through available versions of osuninst.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

Osuninst.dll, 11 available versions

Bits & Version File size Language Description Checksums
32bit 6.3.9600.16384 7.5 KB U.S. English Uninstall Interface
MD5 d908ac179f1ec5cb78938df4ff498f75
SHA1 d5a84331543881aaa444244b5a8515598d044c8a
32bit 6.2.9200.16384 7.5 KB U.S. English Uninstall Interface
MD5 ce50dfc41819d35d54d16bb0a58d42ea
SHA1 8e09baf103ed9e74a94cc5629c9989f2311e996c
32bit 6.1.7600.16385 6.5 KB U.S. English Uninstall Interface
MD5 314f7171e006a445511026362e49c7c6
SHA1 c27e97388d4a6dce2b8a651a03f0d8d1ceb9bf68
32bit 6.0.6000.16386 6.5 KB U.S. English Uninstall Interface
MD5 304160deb2d59721e38d807a99c74298
SHA1 6a0e944e01bb83bba1a7d538dea0754d5ef6d0fb
64bit 6.0.6000.16386 8.0 KB U.S. English Uninstall Interface
MD5 7327dbfdcaf93b406322f62eb2c07beb
SHA1 054aea8cea32f77f1cd43049036466ac49d2d04e
32bit 5.1.2600.5512 66.0 KB Swedish Gränssnitt för avinstallation
MD5 bcb79bbae55c115ebfe3b40bb3589a55
SHA1 4a72f7135e85c04abda8b26408cdff3c097d207c
32bit 5.1.2600.2180 66.0 KB Swedish Gränssnitt för avinstallation
MD5 3cfbe3b5b74eae71ec7ec82782dbcaea
SHA1 52120cc15c84c153870280e6e4e37b323988b6c2
32bit 10.0.14393.0 8.0 KB U.S. English Uninstall Interface
MD5 ae83073c30635563106c806419d646cb
SHA1 921667d31cdcdd3fe22a4788a32b543a3750ab13
64bit 10.0.14393.0 9.5 KB U.S. English Uninstall Interface
MD5 c9929bcc47655a362d0c97f947e82a77
SHA1 b2fe641bf4fe1625d1b10feaa7dfe00d1948b91f
64bit 10.0.10586.0 9.5 KB U.S. English Uninstall Interface
MD5 dfcc05155fdf77cee041449c39d541f4
SHA1 50ae0e6ff34c18db7a4f62809dbc65b706fb05dd
32bit 10.0.10586.0 8.0 KB U.S. English Uninstall Interface
MD5 f4ee1b85f684baebad7139f5f1e156e2
SHA1 2be6b16c12bb8402a680a30eb87f167e570a7a43

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

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

How to register Osuninst.dll?

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

Method 2: Fix the missing Osuninst.dll error automatically

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

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

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

Sometimes osuninst.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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