Microsoft-AppV-Client-StreamingUX

Event	Title	Channel	Sample	Rule
1	An attempt to create the streaming UX process failed.	Debug	N	N
2	The streaming ux process was created successfully.	Debug	N	N
3	Stopping the streaming ux process.	Debug	N	N
4	An attempt to stop the streaming ux process failed.	Debug	N	N
5	The streaming ux process is being created with CreateProcess.	Debug	N	N
6	The streaming ux process is being created with CreateProcessAsUser.	Debug	N	N
9	An attempt to stop the data retrieval thread failed.	Debug	N	N
20	An attempt to create the data retrieval stop event failed.	Debug	N	N
21	An attempt to create the thread for performance counter data retrieval failed.	Debug	N	N
40	The current performance counter query state is invalid.	Debug	N	N
41	An attempt to open a live performance counter query failed.	Debug	N	N
42	An attempt to add a performance counter to the query failed.	Debug	N	N
43	An attempt to collect query data failed.	Debug	N	N
44	An attempt to get the raw counter value failed.	Debug	N	N
45	An attempt to get the formatted counter values failed.	Debug	N	N
60	Package with ID packageId and versionId versionId is being loaded.	Debug	N	N
61	Package with ID packageId and versionId versionId percentage of FB1 downloaded …	Debug	N	N
80	An attempt to launch the process is the current user's sesssion failed.	Debug	N	N
100	An instance of AppVStreamingUX.	Debug	N	N
101	AppVStreamingUX.	Debug	N	N
102	An attempt to set the appropriate security on the AppVStreamingUX mutex failed.	Debug	N	N
120	Deimpersonation for data retrieval failed.	Debug	N	N
121	Reimpersonation for data retrieval failed.	Debug	N	N
122	An attempt to start data retrieval failed.	Debug	N	N
123	Data retrieval for performance counter data was started successfully.	Debug	N	N
140	AppVClientUX.	Debug	N	N
150	Publishing refresh status changed.	Debug	N	N

Event ID 1: An attempt to create the streaming UX process failed.

Channel: Debug

Description

An attempt to create the streaming UX process failed. Path = astring ErrorCode = uint64.

Message #

An attempt to create the streaming UX process failed. Path = %1 ErrorCode = %2

Fields #

Name	Description
`astring` UnicodeString
`uint64` UInt64

Event ID 2: The streaming ux process was created successfully.

Channel: Debug

Description

The streaming ux process was created successfully. Path = astring Pid = uint64.

Message #

The streaming ux process was created successfully. Path = %1 Pid = %2

Fields #

Name	Description
`astring` UnicodeString
`uint64` UInt64

Event ID 3: Stopping the streaming ux process.

Channel: Debug

Description

Stopping the streaming ux process. Pid = unint64.

Message #

Stopping the streaming ux process. Pid = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 4: An attempt to stop the streaming ux process failed.

Channel: Debug

Description

An attempt to stop the streaming ux process failed. Pid = unint64 ErrorCode = uint642.

Message #

An attempt to stop the streaming ux process failed. Pid = %1 ErrorCode = %2

Fields #

Name	Description
`unint64` UInt64
`uint642` UInt64

Event ID 5: The streaming ux process is being created with CreateProcess.

Channel: Debug

Description

The streaming ux process is being created with CreateProcess. Path = astring.

Message #

The streaming ux process is being created with CreateProcess. Path = %1

Fields #

Name	Description
`astring` UnicodeString

Event ID 6: The streaming ux process is being created with CreateProcessAsUser.

Channel: Debug

Description

The streaming ux process is being created with CreateProcessAsUser. Path = astring.

Message #

The streaming ux process is being created with CreateProcessAsUser. Path = %1

Fields #

Name	Description
`astring` UnicodeString

Event ID 9: An attempt to stop the data retrieval thread failed.

Channel: Debug

Description

An attempt to stop the data retrieval thread failed. ErrorCode = param1.

Message #

An attempt to stop the data retrieval thread failed. ErrorCode = %1

Fields #

Name	Description
`param1`

Event ID 20: An attempt to create the data retrieval stop event failed.

Channel: Debug

Description

An attempt to create the data retrieval stop event failed. ErrorCode = unint64.

Message #

An attempt to create the data retrieval stop event failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 21: An attempt to create the thread for performance counter data retrieval failed.

Channel: Debug

Description

An attempt to create the thread for performance counter data retrieval failed. ErrorCode = unint64.

Message #

An attempt to create the thread for performance counter data retrieval failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 40: The current performance counter query state is invalid.

Channel: Debug

Description

The current performance counter query state is invalid. ErrorCode = unint64.

Message #

The current performance counter query state is invalid. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 41: An attempt to open a live performance counter query failed.

Channel: Debug

Description

An attempt to open a live performance counter query failed. ErrorCode = unint64.

Message #

An attempt to open a live performance counter query failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 42: An attempt to add a performance counter to the query failed.

Channel: Debug

Description

An attempt to add a performance counter to the query failed. CounterPath = astring ErrorCode = uint64.

Message #

An attempt to add a performance counter to the query failed. CounterPath = %1 ErrorCode = %2

Fields #

Name	Description
`astring` UnicodeString
`uint64` UInt64

Event ID 43: An attempt to collect query data failed.

Channel: Debug

Description

An attempt to collect query data failed. ErrorCode = unint64.

Message #

An attempt to collect query data failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 44: An attempt to get the raw counter value failed.

Channel: Debug

Description

An attempt to get the raw counter value failed. ErrorCode = unint64.

Message #

An attempt to get the raw counter value failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 45: An attempt to get the formatted counter values failed.

Channel: Debug

Description

An attempt to get the formatted counter values failed. ErrorCode = unint64.

Message #

An attempt to get the formatted counter values failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 60: Package with ID packageId and versionId versionId is being loaded.

Channel: Debug

Message #

Package with ID %1 and versionId %2 is being loaded.

Fields #

Name	Description
`packageId` GUID
`versionId` GUID

Event ID 61: Package with ID packageId and versionId versionId percentage of FB1 downloaded is now percentageComplete.

Channel: Debug

Message #

Package with ID %1 and versionId %2 percentage of FB1 downloaded is now %3.

Fields #

Name	Description
`packageId` GUID
`versionId` GUID
`percentageComplete` UInt64

Event ID 80: An attempt to launch the process is the current user's sesssion failed.

Channel: Debug

Description

An attempt to launch the process is the current user's sesssion failed. ErrorCode = unint64.

Message #

An attempt to launch the process is the current user's sesssion failed. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 100: An instance of AppVStreamingUX.

Channel: Debug

Description

An instance of AppVStreamingUX.exe is already running for this user.

Message #

An instance of AppVStreamingUX.exe is already running for this user.

Event ID 101: AppVStreamingUX.

Channel: Debug

Description

AppVStreamingUX.exe was unable to register itself for application restart. ErrorCode = uint32.

Message #

AppVStreamingUX.exe was unable to register itself for application restart. ErrorCode = %1

Fields #

Name	Description
`uint32` UInt32

Event ID 102: An attempt to set the appropriate security on the AppVStreamingUX mutex failed.

Channel: Debug

Description

An attempt to set the appropriate security on the AppVStreamingUX mutex failed. Exception: astring.

Message #

An attempt to set the appropriate security on the AppVStreamingUX mutex failed. Exception: %1

Fields #

Name	Description
`astring` UnicodeString

Event ID 120: Deimpersonation for data retrieval failed.

Channel: Debug

Description

Deimpersonation for data retrieval failed. Streaming UX notifications are inactive. ErrorCode = unint64.

Message #

Deimpersonation for data retrieval failed. Streaming UX notifications are inactive. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 121: Reimpersonation for data retrieval failed.

Channel: Debug

Description

Reimpersonation for data retrieval failed. Streaming UX notifications are inactive. ErrorCode = unint64.

Message #

Reimpersonation for data retrieval failed. Streaming UX notifications are inactive. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 122: An attempt to start data retrieval failed.

Channel: Debug

Description

An attempt to start data retrieval failed. Streaming UX notifications are inactive. ErrorCode = unint64.

Message #

An attempt to start data retrieval failed. Streaming UX notifications are inactive. ErrorCode = %1

Fields #

Name	Description
`unint64` UInt64

Event ID 123: Data retrieval for performance counter data was started successfully.

Channel: Debug

Event ID 140: AppVClientUX.

Channel: Debug

Description

AppVClientUX.exe failed to launch from the streaming ux.

Message #

AppVClientUX.exe failed to launch from the streaming ux.

Event ID 150: Publishing refresh status changed.

Channel: Debug

Message #

Publishing refresh status changed:
 Server: %1
 Global: %2
 Packages: Total %3, Succeeded %4, Failed %5
 Groups: Total %6, Succeeded %7, Failed %8.

Fields #

Name	Description
`server` UnicodeString
`global` Boolean
`packageTotal` UInt32
`packageSucceeded` UInt32
`packageFailed` UInt32
`groupTotal` UInt32
`groupSucceeded` UInt32
`groupFailed` UInt32

Provenance

ETW provider GUID 28cb46c7-4003-4e50-8bd9-442086762d12

Defined in appvetwstreamingux.dll, which carries the event manifest.

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.2849, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1882, captured 2026-06-02 — Manifest XML pack, 2.0 MB