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To quickly resolve your problem, we recommend download and use a0001721.dll Fix Tool. If you have technical experience and you want to install a DLL file manually, please select your version of Windows and download a0001721.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.

What is A0001721.dll ?

a0001721.dll - dll file called "Microsoft Update Custom Component Locator" is a part of Microsoft® Windows® Operating System program developed by Microsoft Corporation.

Some applications or games may need this file to work properly. If a0001721.dll is missing, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below.

File version: 5.3.0016.5 (xpclnt_qfe.020226-1835)

File size: 18.50 KB

MD5 file sum: E39C1C86216950A944BBDA88F6F468B2

SHA1 file sum: 119610ACC3658160E8592C91570EC1679CA8F6B5

A0001721.dll Error Screenshot

a0001721.dll missing

Possible error messages regarding this file:

a0001721.dll is missing

a0001721.dll error loading

a0001721.dll crash

a0001721.dll was not found

the procedure entry point a0001721.dll

a0001721.dll could not be located

a0001721.dll Access Violation

Cannot find a0001721.dll

Cannot register a0001721.dll

Recommended Solution to Fix Dll Error

To fix errors related with .DLL file you need to download a0001721.dll and copy it to the installation folder of the application or game, or copy it into the Windows system folder and it should fix the error. If you don’t know how to install this file, please read our tutorial about How to install DLL files.

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