SSMS21 Extension Not Loading

Doing a trial run for SSMS21 but couldn't get it to work at all. Have tried uninstalling/reinstalling, toggling the register addon but none of them seem to work.

Any help would be greatly appreciated. Thanks

SSMS Details:

Code:

SQL Server Management Studio 21.4.8+5.36301.6
SQL Server Management Objects (SMO) 17.100.73.0+e183799e249c9bb0ba9f7e74c4e23007e11dabd7
Microsoft T-SQL Parser 17.2.22.0+0df7893883f565f6d690e7272ae7e1b5e7872b2b.0df7893883f565f6d690e7272ae7e1b5e7872b2b
Microsoft Data SqlClient (MDS) 5.1.6
Microsoft SQL Server Data-Tier Application Framework (DacFX) 170.0.94.3+c80b921bcf1ae44845e9f19885019a7c88c02882
Microsoft SQL Copilot Server 1.0.78.0
Microsoft .NET Framework 4.0.30319.42000
Operating System 10.0.26100

Diagnostic output:

Code:

*************************************************************
* SQL Assistant files *
*************************************************************
Installation directory: C:\Program Files (x86)\SQL Assistant 13
SQL Assistant version: 13.5.73
bin\SqlAssist.exe ... OK
bin\SqlEditor.exe ... OK
bin64\SqlEditor.exe ... OK
bin\sacmd.exe ... OK
bin64\sacmd.exe ... OK
bin\sareg.exe ... OK
bin\saddl.exe ... OK
bin\saDLA.exe ... OK
bin\sascan.exe ... OK
bin64\sascan.exe ... OK
bin\sqleditor_std.exe ... OK
bin\saDiag.exe ... OK
bin64\saDiag.exe ... OK
bin\SqlAssist.dll ... OK
bin64\SqlAssist.dll ... OK
bin\SqlAssistPrefs.dll ... OK
bin64\SqlAssistPrefs.dll ... OK
bin\sqlite3.dll ... OK
bin\saResDrk.dll ... OK
bin\saResLgt.dll ... OK
bin64\sqlite3.dll ... OK
bin\SqlAssist.mwb64.dll ... OK
SqlAssist.pdf ... OK
config\SqlAssist.sas ... NOT FOUND
config\SqlAssist.setup.sas ... OK
config\SqlAssistDTMap.xml ... OK
config\dbdiagram.themes ... OK
bin\SqlAssist.DocMng.dll ... OK
bin\SqlAssist.Sms.dll ... OK
bin\SqlAssist.vs.dll ... OK
bin\SqlAssist.vs.14.dll ... OK
bin\SqlAssist.dll ... OK
bin\SqlAssistPrefs.dll ... OK
bin\SqlAssist.Dbm.dll ... OK
bin\SqlAssist.Ase.dll ... OK
bin\SqlAssist.Dex.dll ... OK
bin\SqlAssist.Mso.dll ... OK
bin\SqlAssist.mwb.dll ... OK
bin\SqlAssist.mwb4.dll ... OK
bin\SqlAssist.Ase4.dll ... OK
bin\SqlAssist.Dex4.dll ... OK
bin\SqlAssist.DDL.dll ... OK
bin\SqlAssist.re.dll ... OK
bin\SqlAssist.Plugins.dll ... OK
bin\SqlAssist.Sms.Bars.dll ... OK
bin\SqlAssist.SSMS2005.dll ... OK
bin\SqlAssist.SSMS2005Ent.dll ... OK
bin\SqlAssist.SSMS2005Std.dll ... OK
bin\SqlAssist.SSMS2008.dll ... OK
bin\SqlAssist.SSMS2008R2.dll ... OK
bin\SqlAssist.SSMS2012.dll ... OK
bin\SqlAssist.SSMS2014.dll ... OK
bin\SqlAssist.SSMS2016.dll ... OK
bin\SqlAssist.SSMS2017.dll ... OK
bin\SqlAssist.SSMS2019.dll ... OK
bin\SA_SqlEdit.dll ... OK
bin\SA_SqlEdit9.bpl ... OK
bin\SA_SqlEdit10.bpl ... OK
bin\SA_SqlEdit11.bpl ... OK
bin\SA_SqlEdit12.bpl ... OK
bin\SA_SqlEdit14.bpl ... OK
bin\SA_SqlEdit15.bpl ... OK
bin\SA_SqlEdit16.bpl ... OK
bin\SA_SqlEdit17.bpl ... OK
bin\SA_SqlEdit18.bpl ... OK
bin\SA_SqlEdit19.bpl ... OK
bin\SA_SqlEdit20.bpl ... OK
bin\SA_SqlEdit21.bpl ... OK
bin\SA_SqlEdit22.bpl ... OK
bin\SA_SqlEdit23.bpl ... OK
bin\git-credential-winstore.exe ... OK

*************************************************************
* User registration *
*************************************************************
Access rights: elevated
UAC Level: ALWAYS NOTIFY (3)
Registration mode: Current User
All users serial ... NO
Current user serial ... NO
SQL Assistant is not registered

*************************************************************
* COM Objects (x86) *
*************************************************************
Loading SqlAssist.Dbm.DbManager (Net 2)... OK
Loading SqlAssist.DDLLoader (Net 4)... OK
Loading SqlAssist.saRegExpr (Net 2)... OK
Loading SqlAssist.CSqlClient (Net 2)... OK
Loading SqlAssist.MySQLWBAddin (Net 2)... OK
Loading SqlAssist.MySQLWBAddin4 (Net 4)... OK
Loading SqlAssist.Ase.Editor (Net 2)... OK
Loading SqlAssist.Ase.DbManager (Net 2)... OK
Loading SqlAssist.Dex.XtraBars (Net 2)... OK
Loading SqlAssist.Dex.DotNetBars (Net 2)... OK
Loading SqlAssist.Mso.Addin (Net 2)... OK
Loading SqlAssist.Ase.Editor (Net 4)... OK
Loading SqlAssist.Ase.DbManager (Net 4)... OK
Loading SqlAssist.Dex.XtraBars (Net 4)... OK
Loading SqlAssist.Ase.ToadDocumentManager (Net 2)... OK
Loading SqlAssist.Ase.ToadDocumentManager (Net 4)... OK

*************************************************************
* SQL Assistant Add-ons *
*************************************************************
SSMS 2005 COM ... NO REGISTRATION INFO
SSMS 2008 COM ... NO REGISTRATION INFO
SSMS 2012 PCKG ... NOT REGISTERED
SSMS 2014 PCKG ... NOT REGISTERED
SSMS 2016 PCKG ... NOT REGISTERED
SSMS 2017 PCKG ... NOT REGISTERED
SSMS 2019 (18.x) PCKG ... REGISTERED
SSMS 2022 (19.x) PCKG ... REGISTERED
SSMS 2024 (20.x) PCKG ... REGISTERED
Private registry data not found
SSMS 2025 (21.x) PCKG ... REGISTRATION ERROR
SSMS 2025 (21.x) PCKG ... NOT REGISTERED

CU: Manifest location: C:\Users\<username>\AppData\Local\Microsoft\SQL Server Management Studio\11.0\Extensions\SoftTree Technologies\SqlAssist.vs\1.0\
CU: Manifest registry:
SSMS 2012 MEF ... REGISTRATION ERROR
SSMS 2012 MEF ... TARGET NOT INSTALLED
CU: Manifest location: C:\Users\<username>\AppData\Local\Microsoft\SQL Server Management Studio\12.0\Extensions\SoftTree Technologies\SqlAssist.vs\1.0\
CU: Manifest registry:
SSMS 2014 MEF ... REGISTRATION ERROR
SSMS 2014 MEF ... TARGET NOT INSTALLED
CU: Manifest location: C:\Users\<username>\AppData\Local\Microsoft\SQL Server Management Studio\13.0\Extensions\SoftTree Technologies\SqlAssist.vs\1.0\
CU: Manifest registry:
SSMS 2016 MEF ... REGISTRATION ERROR
SSMS 2016 MEF ... TARGET NOT INSTALLED
CU: Manifest location: C:\Users\<username>\AppData\Local\Microsoft\SQL Server Management Studio\14.0\Extensions\SoftTree Technologies\SqlAssist.vs\1.0\
CU: Manifest registry:
SSMS 2017 MEF ... REGISTRATION ERROR
SSMS 2017 MEF ... TARGET NOT INSTALLED
SSMS 2019 (18.x) MEF ... TARGET NOT INSTALLED
SSMS 2022 (19.x) MEF ... REGISTERED
SSMS 2024 (20.x) MEF ... REGISTERED
Registry entry not found
SSMS 2025 (21.x) MEF ... REGISTRATION ERROR
SSMS 2025 (21.x) MEF ... NOT REGISTERED

VS 2005 ... NOT REGISTERED
VS 2008 ... NOT REGISTERED
VS 2010, 2012, 2013, 2015 COM Add-on ... NOT REGISTERED
VS 2010 MEF ... TARGET NOT INSTALLED
VS 2012 MEF ... TARGET NOT INSTALLED
VS 2013 MEF ... TARGET NOT INSTALLED
VS 2015 MEF ... TARGET NOT INSTALLED
VS 2017 MEF ... NOT REGISTERED
VS 2019 MEF ... NOT REGISTERED
VS 2022 MEF ... NOT REGISTERED

MS Access ... NOT REGISTERED

Delphi 2005 ... NOT INSTALLED
Delphi 2006 ... NOT INSTALLED
Delphi 2007 ... NOT INSTALLED
Delphi 2009 ... NOT INSTALLED
Delphi 2010 ... NOT INSTALLED
Delphi XE ... NOT INSTALLED
Delphi XE 2 ... NOT INSTALLED
Delphi XE 3 ... NOT INSTALLED
Delphi XE 4 ... NOT INSTALLED
Delphi XE 5 ... NOT INSTALLED
Delphi XE 6 ... NOT INSTALLED
Delphi XE 7 ... NOT INSTALLED
Delphi XE 8 ... NOT INSTALLED
Delphi XE 10 ... NOT INSTALLED

SQL Assistant diagnostics completed ... WITH ERRORS