Unable to Sign in Pro User

[Anonymous]

Unable to sign in to Power BI for Pro User. Everytime it gives an unable to sign in error and then throws these logs:

Feedback Type:
Frown (Error)

Timestamp:
2021-01-22T17:29:39.6483489Z

Local Time:
2021-01-22T12:29:39.6483489-05:00

Session ID:
5a63e21d-16f2-4061-a48b-09a6246f5893

Release:
December 2020

Product Version:
2.88.1144.0 (20.12) (x64)

Stack Trace:
at System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
at Microsoft.PowerBI.Client.Windows.PowerBIService.PowerBIServiceClient.<GetUserThumbnail>d__38.MoveNext()

PowerBINonFatalError:
{"AppName":"PBIDesktop","AppVersion":"2.88.1144.0","ModuleName":"Microsoft.PowerBI.Client.Windows.dll","Component":"Microsoft.PowerBI.Client.Windows.PowerBIService.PowerBIServiceClient+<GetUserThumbnail>d__38","Error":"System.ArgumentNullException","MethodDef":"MoveNext","ErrorOffset":"35"}

InnerException0.Stack Trace:
at System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
at Microsoft.PowerBI.Client.Windows.PowerBIService.PowerBIServiceClient.<GetUserThumbnail>d__38.MoveNext()

OS Version:
Microsoft Windows NT 10.0.18363.0 (x64 en-US)

CLR Version:
4.7 or later [Release Number = 528040]

Peak Virtual Memory:
38.1 GB

Private Memory:
333 MB

Peak Working Set:
496 MB

IE Version:
11.1198.18362.0

User ID:
b070edac-e20d-4d16-8dcf-78afe287f0b6

Workbook Package Info:
1* - en-US, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: True.

Telemetry Enabled:
True

Model Default Mode:
Empty

Model Version:
PowerBI_V1

Is Report V3 Models Enabled:
True

Enabled Preview Features:
PBI_NewWebTableInference
PBI_v3ModelsPreview

Disabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_SpanishLinguisticsEnabled
PBI_JsonTableInference
PBI_ImportTextByExample
PBI_ExcelTableInference
PBI_qnaLiveConnect
PBI_eimInformationProtectionForDesktop
PBI_azureMapVisual
PBI_dataPointLassoSelect
PBI_compositeModelsOverAS
PBI_narrativeTextBox
PBI_dynamicParameters
PBI_anomalyDetection
PBI_newFieldList
PBI_cartesianMultiplesAuthoring

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
100%

Supported Services:
Power BI

[v-chuncz-msft]

@Anonymous 

You may try the latest version (2.88.1385.0) and check links below.

• https://docs.microsoft.com/en-us/power-bi/connect-data/desktop-troubleshooting-sign-in
• https://docs.microsoft.com/en-us/power-bi/admin/power-bi-cannot-sign-in