Update of Foxit Reader not possible due to invalid signature. We had similar trouble in the past which was then solved by a bug fix.
Line from PM:
Kritische Sicherheit Foxit Reader 9 Gold Foxit Reader 9.5.0.20723 CVE-2018-20311 FI19-9502 FI95020723 Update konnte nicht installiert werden: Signatur ungültig (07.05.2019 13:55)
Some info from log:
2019-05-07 13:55:28.626 UTC+02:00 17E4:142C #1 Checking signature of "C:\ProgramData\F-Secure\FSOFTUPD\deploy\FoxitReader95020723_L10N_Setup.exe".
2019-05-07 13:55:29.438 UTC+02:00 17E4:142C #1 bAllowUnsigned: 1, bNoSignatureError: 0, bSignatureSubjectUnknown: 0
2019-05-07 13:55:29.469 UTC+02:00 17E4:142C #2 Exception occurred. Type: fs:
ignatureException, Reason: Certificate does not match required rules., Function: `anonymous-namespace'::checkCertificate, File: "..\\..\\..\\..\\..\\src\\fssua_common\\FileSignatureChecker.cpp", Line: 94, COM Error: Das Zertifikat hat einen ungültigen Namen. Der Name ist nicht in der Liste der zulässigen Namen enthalten, oder er ist explizit ausgeschlossen., HRESULT: -2146762476, COM Source:
2019-05-07 13:55:29.500 UTC+02:00 17E4:142C #1 Event type: 10, ErrorCode: 1, Status: Certificate does not match required rules.
2019-05-07 13:55:29.500 UTC+02:00 17E4:142C #1 Product: Foxit Reader 9, SP: Gold, BulletinID: FI19-9502, PatchName: FoxitReader95020723_L10N_Setup.exe
2019-05-07 13:55:29.500 UTC+02:00 17E4:142C #1 PatchName: FoxitReader95020723_L10N_Setup.exe, Patch file size: 254081008 bytes
Thanks, Enrico