LoadBAFunctions() - Failed to load DLL SilentFilesInUseBAFunction.dll #41790
Description
Microsoft PowerToys version
0.94.0
Installation method
GitHub
Area(s) with issue?
General
Steps to reproduce
Download PowerToysSetup-0.94.0-x64.exe from "Releases" on GitHub
Run file
Bootstraper MSI log (Run as non-admin, but same behaviour if run as admin):
[0594:1C90][2025-09-12T14:33:35]i001: Burn x64 v5.0.2+aa65968c419420d32e3e1b647aea0082f5ca5b78, Windows v10.0 x64 (Build 26100: Service Pack 0), path: C:\Users\smlvl\Downloads\PowerToysSetup-0.94.0-x64.exe
[0594:1C90][2025-09-12T14:33:35]i000: Initializing formatted variable 'InstallFolder' to value '[ProgramFiles64Folder]PowerToys'
[0594:1C90][2025-09-12T14:33:35]i000: Initializing version variable 'MinimumVersion' to value '0.0.0.0'
[0594:1C90][2025-09-12T14:33:35]i000: Initializing version variable 'TargetPowerToysVersion' to value '0.94.0'
[0594:1C90][2025-09-12T14:33:35]i000: Initializing version variable 'DetectedPowerToysVersion' to value '0.0.0.0'
[0594:1C90][2025-09-12T14:33:35]i000: Initializing version variable 'DetectedPowerToysUserVersion' to value '0.0.0.0'
[0594:1C90][2025-09-12T14:33:35]i000: Initializing version variable 'DetectedWindowsBuildNumber' to value '0'
[0594:1C90][2025-09-12T14:33:35]i009: Command Line: ''
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleOriginalSource' to value 'C:\Users\smlvl\Downloads\PowerToysSetup-0.94.0-x64.exe'
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleOriginalSourceFolder' to value 'C:\Users\smlvl\Downloads\'
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleLog' to value 'C:\Users\smlvl\AppData\Local\Temp\powertoys-bootstrapper-msi-0.94.0_20250912143335.log'
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleInProgressName' to value ''
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleName' to value 'PowerToys (Preview) x64'
[0594:1C90][2025-09-12T14:33:35]i000: Setting string variable 'WixBundleManufacturer' to value 'Microsoft Corporation'
[0594:1778][2025-09-12T14:33:35]i000: WIXSTDBA: LoadBAFunctions() - BAFunctions DLL C:\Users\smlvl\AppData\Local\Temp\{4DFB69A0-11D7-4A4D-B2E6-3424F9A78F9F}\.ba\SilentFilesInUseBAFunction.dll
[0594:1778][2025-09-12T14:33:35]e000: Error 0x8007007e: WIXSTDBA: LoadBAFunctions() - Failed to load DLL C:\Users\smlvl\AppData\Local\Temp\{4DFB69A0-11D7-4A4D-B2E6-3424F9A78F9F}\.ba\SilentFilesInUseBAFunction.dll
[0594:1778][2025-09-12T14:33:35]e000: Error 0x8007007e: Failed to load bootstrapper functions.
[0594:1778][2025-09-12T14:33:35]e000: Error 0x8007007e: Failed to initialize data in bootstrapper application.
[0594:1778][2025-09-12T14:33:35]e000: Error 0x8007007e: BA OnCreate failed.
[0594:1C90][2025-09-12T14:33:35]e000: Error 0x8007007e: BA OnCreate failed.
[0594:1C90][2025-09-12T14:33:35]e000: Error 0x8007007e: Failed to create bootstrapper application
[0594:1C90][2025-09-12T14:33:35]e000: Error 0x8007007e: Failed to start bootstrapper application.
[0594:1C90][2025-09-12T14:33:35]i410: Variable: DetectedPowerToysUserVersion = 0.0.0.0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: DetectedPowerToysVersion = 0.0.0.0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: DetectedWindowsBuildNumber = 0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: InstallFolder = C:\Program Files\PowerToys
[0594:1C90][2025-09-12T14:33:35]i410: Variable: MinimumVersion = 0.0.0.0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: ProgramFiles64Folder = C:\Program Files\
[0594:1C90][2025-09-12T14:33:35]i410: Variable: TargetPowerToysVersion = 0.94.0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleCommandLineAction = 6
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleElevated = 0
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleInProgressName =
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleLog = C:\Users\smlvl\AppData\Local\Temp\powertoys-bootstrapper-msi-0.94.0_20250912143335.log
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleManufacturer = Microsoft Corporation
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleName = PowerToys (Preview) x64
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleOriginalSource = C:\Users\smlvl\Downloads\PowerToysSetup-0.94.0-x64.exe
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleOriginalSourceFolder = C:\Users\smlvl\Downloads\
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleProviderKey = {33E74C3B-39A8-4B4C-B520-B939FAC19C80}
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleTag =
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleUILevel = 4
[0594:1C90][2025-09-12T14:33:35]i410: Variable: WixBundleVersion = 0.94.0
[0594:1C90][2025-09-12T14:33:35]e000: Error 0x8007007e: Failed to run normal mode.
[0594:1C90][2025-09-12T14:33:35]i007: Exit code: 0x8007007e, restarting: No
✔️ Expected Behavior
Microsoft PowerToys shows the install process
❌ Actual Behavior
Microsoft PowerToys install appears to not run at all
Additional Information
Windows Spec:
- Window 11 Pro
- Version 24H2
- OS Build 26100.6584
- Windows Feature Experience Pack 1000.26100.234.0
Dotnet SDK Version: 9.0.305
User installation (attempted to run as both admin and non-admin
Other Software
No response