When opening the application (Windows 11 Home 26200.8457) the following error is received. Crash report below is from today, but also received a slightly different one on 16th May (Error: New version 2026.5.0 is not signed by the application owner)
Error: New version 2026.5.17 is not signed by the application owner: publisherNames: Dominik Levitsky Studio, LLC, raw info: {
“SignerCertificate”: {
“FriendlyName”: “”,
“IssuerName”: {
“Name”: “CN=Microsoft ID Verified CS AOC CA 04, O=Microsoft Corporation, C=US”,
“Oid”: “System.Security.Cryptography.Oid”
},
“NotAfter”: “/Date(1779433156000)/”,
“NotBefore”: “/Date(1779173956000)/”,
“PrivateKey”: null,
“PublicKey”: {
“Key”: “System.Security.Cryptography.RSACryptoServiceProvider”,
“Oid”: “System.Security.Cryptography.Oid”,
“EncodedKeyValue”: “System.Security.Cryptography.AsnEncodedData”,
“EncodedParameters”: “System.Security.Cryptography.AsnEncodedData”
},
“SerialNumber”: “330001266BFFC0E660AD17007700000001266B”,
“SignatureAlgorithm”: {
“Value”: “1.2.840.113549.1.1.12”,
“FriendlyName”: “sha384RSA”
},
“Thumbprint”: “F21A7ADCDC15946DFE13809941541AB54D75A7D4”,
“Version”: 3,
“Issuer”: “CN=Microsoft ID Verified CS AOC CA 04, O=Microsoft Corporation, C=US”,
“Subject”: “CN=Senary Domain LLC, O=Senary Domain LLC, L=Dover, S=Delaware, C=US”
},
“TimeStamperCertificate”: {
“Archived”: false,
“Extensions”: [
“System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension”,
“System.Security.Cryptography.X509Certificates.X509Extension”,
“System.Security.Cryptography.X509Certificates.X509Extension”,
“System.Security.Cryptography.X509Certificates.X509Extension”,
“System.Security.Cryptography.X509Certificates.X509BasicConstraintsExtension”,
“System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension”,
“System.Security.Cryptography.X509Certificates.X509KeyUsageExtension”,
“System.Security.Cryptography.X509Certificates.X509Extension”
],
“FriendlyName”: “”,
“IssuerName”: {
“Name”: “CN=Microsoft Public RSA Timestamping CA 2020, O=Microsoft Corporation, C=US”,
“Oid”: “System.Security.Cryptography.Oid”
},
“NotAfter”: “/Date(1792702009000)/”,
“NotBefore”: “/Date(1761252409000)/”,
“HasPrivateKey”: false,
“PrivateKey”: null,
“PublicKey”: {
“Key”: “System.Security.Cryptography.RSACryptoServiceProvider”,
“Oid”: “System.Security.Cryptography.Oid”,
“EncodedKeyValue”: “System.Security.Cryptography.AsnEncodedData”,
“EncodedParameters”: “System.Security.Cryptography.AsnEncodedData”
},
“SerialNumber”: “3300000055D9DD692628F9F8E2000000000055”,
“SubjectName”: {
“Name”: “CN=Microsoft Public RSA Time Stamping Authority, OU=nShield TSS ESN:7D00-05E0-D947, OU=Microsoft America Operations, O=Microsoft Corporation, L=Redmond, S=Washington, C=US”,
“Oid”: “System.Security.Cryptography.Oid”
},
“SignatureAlgorithm”: {
“Value”: “1.2.840.113549.1.1.12”,
“FriendlyName”: “sha384RSA”
},
“Thumbprint”: “1D3B54018265BFB6E0595791068E17EC57870DEA”,
“Version”: 3,
“Handle”: 1880842732224,
“Issuer”: “CN=Microsoft Public RSA Timestamping CA 2020, O=Microsoft Corporation, C=US”,
“Subject”: “CN=Microsoft Public RSA Time Stamping Authority, OU=nShield TSS ESN:7D00-05E0-D947, OU=Microsoft America Operations, O=Microsoft Corporation, L=Redmond, S=Washington, C=US”
},
“Status”: 0,
“StatusMessage”: “Signature verified.”,
“Path”: “C:\Users\X\AppData\Local\fontbase-app-updater\pending\temp-FontBase-2026.5.17.exe”
}
at t.newError (C:\Users\X\AppData\Local\Programs\FontBase\resources\app.asar\dist\main.js:2:56409)
at Object.task (C:\Users\X\AppData\Local\Programs\FontBase\resources\app.asar\dist\main.js:2:70763)
at async d.executeDownload (C:\Users\X\AppData\Local\Programs\FontBase\resources\app.asar\dist\main.js:2:327733)