How to troubleshoot appxalluserstore.dll errors

A appxalluserstore.dll-specific sequence based on AppX All User Store DLL and its supported delivery through Microsoft® Windows® Operating System.

1

Identify the requesting application and package identity

Record the affected program, exact appxalluserstore.dll message, Windows version, and whether the app is 32-bit or 64-bit.

2

Repair the owning application or Windows package

Open Settings > Windows Update, select Check for updates, install all applicable updates, and restart. If the Windows component remains damaged, open Command Prompt as administrator, run DISM RestoreHealth, wait for completion, and then run SFC.

3

Retest the original application operation

Restart Windows after the supported repair, launch the same affected program, and repeat the action that produced the original message. If appxalluserstore.dll still fails, record the new exact error and stop before making unrelated system changes.

Safety warning: Do not copy or register appxalluserstore.dll in isolation. No. Repair appxalluserstore.dll through Windows Update or supported Windows servicing so dependencies and servicing metadata remain compatible.

Windows Repair Intelligence™ DLL Report

appxalluserstore.dll

AppX All User Store DLL

Home / DLL Library / AppX All User Store DLL / appxalluserstore.dll

appxalluserstore.dll is a locally observed AppX All User Store DLL associated with Microsoft® Windows® Operating System. WinLab recorded 4 distinct signed specimens so version, x64/x86 architecture, size, publisher, signature, and SHA-256 can be compared before choosing a supported repair path.

PublisherMicrosoftArchitecturesx64 / x86Source classWindows componentReviewedSeptember 1, 2026

What is appxalluserstore.dll?

appxalluserstore.dll is identified in the observed specimens as AppX All User Store DLL, published by Microsoft Corporation for Microsoft® Windows® Operating System. Its identity depends on the complete package, build, and architecture—not its filename alone.

Common Error Messages

  • "appxalluserstore.dll was not found"
  • "The code execution cannot proceed because appxalluserstore.dll is missing"
  • "The specified module appxalluserstore.dll could not be found"

Common Causes

  • The package that owns appxalluserstore.dll is incomplete or damaged
  • appxalluserstore.dll does not match the affected program's x64/x86 architecture or package build
  • Security software quarantined the AppX All User Store DLL component
  • An application or Windows update left mismatched appxalluserstore.dll dependencies
AI

Smart diagnostic checkpoint

AI-assisted · grounded in this report's reviewed evidence
Package ownerMicrosoft® Windows® Operating System

Serviced through Windows—not a loose DLL download.

Best first routeRepair the owning application or Windows package

Match the affected program and x64 / x86 architecture before repairing.

System repair?Applicable after evidence checks

Use DISM, then SFC, only after updating Windows and checking the affected component.

Stop and reassessIf the exact message changes

Capture the new wording and affected program. Do not continue repeating unrelated repairs.

Fix the program that reports appxalluserstore.dll

This decision path is specific to AppX All User Store DLL. appxalluserstore.dll is a locally observed AppX All User Store DLL associated with Microsoft® Windows® Operating System. WinLab recorded 4 distinct signed specimens so version, x64/x86 architecture, size, publisher, signature, and SHA-256 can be compared before choosing a supported repair path.

1

Preserve evidence from the appxalluserstore.dll dialog

Note the affected program, the action that triggered the failure, and what changed immediately beforehand. Save open work and close that program normally; use Task Manager only if it is frozen or the supported repair tool says it is still running.

Record the exact message “appxalluserstore.dll was not found” before closing it.
2

Decide whether the failure is app-local or Windows-wide

If one program alone reports appxalluserstore.dll, repair that program first. If unrelated programs or Windows features fail too, check Windows Update history and service the complete Microsoft® Windows® Operating System rather than copying one API-set or runtime file.

Protected location to verify after servicing: C:\Windows\System32\AppxAllUserStore.dll.
3

Repair the owning application or Windows package

Record the exact program and message that requests appxalluserstore.dll. Then compare its version, architecture, Microsoft Corporation signature, size, and SHA-256 with the verified rows. Use Repair or Change only when Windows or the official installer actually offers that option.

Use WinLab locally observed signed-file inventory as the evidence route; do not download appxalluserstore.dll separately.
4

Retest the original application operation

Apply supported Windows servicing for Microsoft® Windows® Operating System. Launch the same program and repeat the original action. If the wording changes, capture the new error and reassess instead of repeating unrelated repairs.

Validation target: The package that owns appxalluserstore.dll is incomplete or damaged.

Page-specific safety boundary: appxalluserstore.dll is serviced as Microsoft® Windows® Operating System. Resetting an application may erase its data but cannot replace an unsupported Windows API or hardware feature.

Verified file intelligence

Official-source grounded

Versions, hashes, and signatures can vary by supported package release. This report does not invent a universal "latest file" value. Confirm package selection against WinLab locally observed signed-file inventory (WinLab collector).

Verified appxalluserstore.dll file versions

4 observed builds

Distinct locally observed specimens are deduplicated by version, architecture, and SHA-256. A signature result identifies the inspected file; it is not a recommendation to copy a loose DLL into Windows.

VersionArchitectureFile sizeLanguageSignature
10.0.26100.8875 (WinBuild.160101.0800)x64437.5 KBEnglish (United States)Valid
PublisherMicrosoft CorporationDescription / observed sourceAppX All User Store DLL · Installed applicationSHA-256a66228d5f8e3866d4cdbbd12c6626d102c016872faebe240bfa424132a02350c
10.0.26100.8875 (WinBuild.160101.0800)x86331.5 KBEnglish (United States)Valid
PublisherMicrosoft CorporationDescription / observed sourceAppX All User Store DLL · Installed applicationSHA-256e73c91fa67a7794ad096d8f455a500d81a72fe0c45560f7b968a36e927a226ef
10.0.26100.8972 (WinBuild.160101.0800)x64433.5 KBEnglish (United States)Valid
PublisherMicrosoft CorporationDescription / observed sourceAppX All User Store DLL · Installed applicationSHA-2565e9c6423ac83d7ab985d8653e08122aa3f029d5ec9f57fcce2cc7454f7ba0b63
10.0.26100.8972 (WinBuild.160101.0800)x86329.5 KBEnglish (United States)Valid
PublisherMicrosoft CorporationDescription / observed sourceAppX All User Store DLL · Installed applicationSHA-2563c19f86806e495baf5859ddc641c31310d4d34a1b92973114c17e05067a092e8

Evidence method: file metadata read from the observed specimen, SHA-256 calculated by WinLab, and digital-signature status checked through Windows Authenticode. Observed 2026-08-31.

Frequently Asked Questions

AI-assisted / evidence reviewed

How we use AI: AI helps draft clear answers, but every published technical claim must be tied to an approved source, pass safety checks, and receive editorial review. It may not invent versions, hashes, signatures, download links, or success rates.

What is appxalluserstore.dll?

appxalluserstore.dll is identified in the observed specimens as AppX All User Store DLL, published by Microsoft Corporation for Microsoft® Windows® Operating System. Its identity depends on the complete package, build, and architecture—not its filename alone.

Which appxalluserstore.dll version is correct?

There is no universal loose-file version. Match the affected program, package build, x64/x86 architecture, Microsoft or publisher signature, file size, and SHA-256 to the verified appxalluserstore.dll evidence.

Should I download appxalluserstore.dll by itself?

No. Repair appxalluserstore.dll through Windows Update or supported Windows servicing so dependencies and servicing metadata remain compatible.