excel 2019 vsto addin can't be loaded with excel program

i have a 3rd excel addin program(based on vsto technology) ,on the other computers,it works very well,

but on my new notebook which is running excel 2019 (student and home version) ,the addin seems not chance to be loaded.

please help me.Hello!I'mJen,anindependentadvisor,i'dbehappytohelpyououtwiththisissue.MicrosoftOfficeapplicationscandisableVSTOAdd-insthatbehaveunexpectedly.IfanapplicationdoesnotloadyourVSTOAdd-inwhenyoutrytodebugit,theapplicationmighthaveharddisabledorsoftdisabledyourVSTOAdd-in.Tore-enablethisadd-in,youmayfollowthestepsprovidedinthisarticle.https://docs.microsoft.com/en-us/visualstudio/v.Hopethishelps!Thankyou.Regards,Jen:)
Hello!Gladtohearyouhavefixedit!Thanksforgettingbackandlettingusknow.Regards,Jen:)
Hello!I'mJen,anindependentadvisor,i'dbehappytohelpyououtwiththisissue.MicrosoftOfficeapplicationscandisableVSTOAdd-insthatbehaveunexpectedly.IfanapplicationdoesnotloadyourVSTOAdd-inwhenyoutrytodebugit,theapplicationmighthaveharddisabledorsoftdisabledyourVSTOAdd-in.Tore-enablethisadd-in,youmayfollowthestepsprovidedinthisarticle.https://docs.microsoft.com/en-us/visualstudio/v.Hopethishelps!Thankyou.Regards,Jen:)
hiJan,thankyouforyourhelp,pleaseseethebelowscreenshot,seemsmyaddindid'tbelunchedatall,becuaseicantfinditinadd-inssection:
Hi!CouldyoucheckiftheVSTOadd-inappearsinthe"DisabledApplicationAdd-ins"list?Kindlyscrollfurtherdowntothebottomofthepage.
Kindlyseeattachedimagebelow.
HiJen,sorrytospellyournamewrongly,ihavedoublecheckedthelist,the3rdaddinisnotthere,ithink,theaddindidn'tgetchancetolunch.pleaseseethebelowscreenshot:
Hello!Iwouldliketoknowhowyoulaunchedtheadd-in.AreyouusingtheMSVisualStudio,ifyes,whatversionandisitthesameastheversionyouusedtoopenontheothercomputers?Jen:)
hiDearJen:Ihaveresolvedtheissuebyresettingmyofficeapps.thankyouverymuch:-)brDavid
Hello!Gladtohearyouhavefixedit!Thanksforgettingbackandlettingusknow.Regards,Jen:)