Wuapi.dll download

Windows Update Client API

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DLL file found in our DLL database.

The update date of the dll database: 29 Sep 2023

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Click "Download Now" to get the PC tool that comes with the wuapi.dll. The utility will automatically determine missing dlls and offer to install them automatically. Being an easy-to-use utility, it is is a great alternative to manual installation, which has been recognized by many computer experts and computer magazines. Limitations: trial version offers an unlimited number of scans, backup, restore of your windows registry for FREE. Full version must be purchased. It supports such operating systems as Windows 10, Windows 8 / 8.1, Windows 7 and Windows Vista (64/32 bit).
File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

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

What is Wuapi.dll?

Wuapi.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 Wuapi.dll used for?

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

What is Wuapi.dll is missing error mean?

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

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

Other common wuapi.dll errors include:

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

How to fix Wuapi.dll missing error?

If the “wuapi.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 wuapi.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 Wuapi.dll

Search through available versions of wuapi.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

Wuapi.dll, 16 available versions

Bits & Version File size Checksums
32bit 7.9.9600.17489 707.0 KB
MD5 7dcd4205beda8892bba5755805e74047
SHA1 2e48d9fe825a68f506449e2569910a49b361d968
64bit 7.9.9600.17489 874.0 KB
MD5 a7d9c835222913507340e379f6c0e798
SHA1 e6dba06d3f612a678897fce2534cad71a675ca01
64bit 7.9.9600.17404 874.0 KB
MD5 bcc10d47920e83eac8f2e7e2d414692e
SHA1 5e75d1749940d84c4676d97c2b83e72d4ed3d31a
32bit 7.9.9600.17404 707.0 KB
MD5 f344d6066ea270aababa83e2a6b6428f
SHA1 a9ed66e8b7c27fead780073345cbfbf6a31a8026
32bit 7.9.9600.17031 647.0 KB
MD5 a591c352103960e8b043ae260a648892
SHA1 0e1af61cec8ea72f93a8787a59a05a29664c7251
32bit 7.8.9200.16731 614.0 KB
MD5 76260c0fc2b57d9b0cc225e373c3578f
SHA1 7a6d480cdebb8ae15bc11e066ad333ad958d8d10
32bit 7.6.7600.256 563.5 KB
MD5 1a617835452eee5060976c9b9f5fe635
SHA1 3a6baf2acae143f3ee0614dff310de6e182de8c4
32bit 7.5.7601.17514 547.0 KB
MD5 7d4dc95a1f5e0818e74a399960569ea1
SHA1 c0fb2452b03285cc7e7d4c8cd73798bcb64af38f
32bit 7.4.7600.226 562.2 KB
MD5 009758cc06b7f55b4a4d16a66e243c24
SHA1 1ecdd9848e9f8bbbd2aba905cd5f8b0ac3c2896d
64bit 7.4.7600.226 684.2 KB
MD5 aff080017a70f693e36b468e1e112a3c
SHA1 595c1cd31c96c9bfebf1b63dd4ffa7b517f81de9
32bit 10.0.17134.48 819.2 KB
MD5 e7a6cce907019e14c604c83970f3aa83
SHA1 6f8989343c6fb892487b2bffd5de1e0d388c3d50
32bit 10.0.15063.502 769.0 KB
MD5 a9e5f721e4a91e3221e2dc133b3b36f2
SHA1 30e693151b23bfbaad6651fbb3373bddd1289b46
64bit 10.0.14393.0 849.5 KB
MD5 704d96520047e27c72faf623c2fdb631
SHA1 b5ecd2c5ed65971007bfbbc726a1d8cb5b0ccc9c
32bit 10.0.14393.0 695.5 KB
MD5 cb61914ac8593cd4a5ac70159fcbbf99
SHA1 30f7389b401ca9970df6116f847dfa30ed778a54
32bit 10.0.10586.306 689.0 KB
MD5 b91176a909798c7eac28ab4fe786ca53
SHA1 faa832db6536ba0d825efb9c83034283e5ae1f2e
64bit 10.0.10586.306 829.0 KB
MD5 f1df87bcf5429d48484e78fb1933326b
SHA1 9fe7ca19058b462c8bbd07675904bf891504970a

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

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

How to register Wuapi.dll?

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

Method 2: Fix the missing Wuapi.dll error automatically

With WikiDll Fixer you can automatically repair wuapi.dll errors. The utility will not only download the correct version of wuapi.dll for absolutely free and suggest the right directory to install it but also resolve other issues related to the wuapi.dll file.
  • Step 1: Click the “Download App. ” button to get an automatic tool, provided by WikiDll.
  • Step 2: Install the utility by following simple installation instructions.
  • Step 3: Launch the program to fix your wuapi.dll errors and other issues.
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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: Update drivers to restore missing .dll files

Driver updates for the Windows operating system, as well as for network adapters, monitors, printers, etc., can be independently downloaded and installed from the Windows Update Center or by using specialized utilities.

OPTION 1 - Automatic Device Drivers Update

Outbyte Driver Updater automatically updates drivers on Windows. Routine driver updates are now a thing of the past!
  • Step 1: Download the Outbyte Driver Updater
  • Step 2: Install the application
  • Step 3: Launch the app
  • Step 4: Driver Updater will scan your system for outdated and missing drivers
  • Step 5: Click Update to automatically update all drivers

OPTION 2 - Manually Update Device Drivers

  • Step 1: Go to Taskbar' search box - write Device Manager - choose Device Manager
  • Step 2: Select a category to look at the devices' names - make right-click the one that needs to be updated
  • Step 3: Choose Search automatically for updated driver software
  • Step 4: Look at Update Driver, and select it
  • Step 5: Windows might not be able to find the new driver. In this case, the user can see the driver on the manufacturer's website, where all the necessary instructions are available

Method 4: Scan your PC for malware to fix wuapi.dll error

Sometimes wuapi.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 - Outbyte Antivirus

Outbyte 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 Outbyte 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.

Method 5: Fix Wuapi.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 6: Fix corrupted Wuapi.dll file by performing System Restore

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

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