AppExtension.dll
x64
Windows System
Verified
This is a Core Windows System File
AppExtension.dll is a critical Windows component. If it's missing or corrupted, you should repair Windows rather than replace the file manually.
Recommended: Run System File Checker
sfc /scannow
Open Command Prompt as Administrator and run this command.
Why You Shouldn't Just Download the DLL
- DLLs depend on other DLLs - copying one file won't fix the chain
- Runtime packages register components in Windows correctly
- Version mismatches can cause more problems
- The official installer handles all of this automatically
Compatibility
Windows Server 2022
Windows Server 2019
Windows Server 2016
File Details
- Name
- AppExtension.dll
- Size
- 228 KB
- Version
- 10.0.20348
- Architecture
- x64
- Source
- Windows system
- Part of
- Windows System
Hash Verification
746f7b32d885bc598c7cb6e9ba162a83ba71d2e3d9cbacae6b78e52d287b6cab
9da294cffc328d8f7d8e40a271061c16
ADVANCED
Manual DLL Download
Only if installer doesn't work
This is a last resort. Try the official installer first.
Download ZIP
228 KB | x64
4,551 downloads
Manual Installation Steps
- 1 Extract the ZIP file
-
2
Copy to
C:/Windows/System32/ -
3
If needed:
regsvr32 AppExtension.dll
Official Microsoft source
Malware scanned
SHA-256 verified
Other Versions
AppExtension.dll
x86