The Emotet malware is now distributed through malicious Windows App Installer packages that pretend to be Adobe PDF software. Emotet is a notorious malware infection that spreads through phishing ...

The MSI file format used by Windows Installer (MSI) is used specifically for installation – this differs from the EXE format sometimes used to run installers, which are simple executable files that ...

Businesses frequently need to install application updates or upgrades or, in some cases, new programs. The Windows Installer Service is an integrated Windows function that allows you to install new ...

The certificate for the signer of the message is invalid or not found. It could be caused if the vendor’s certificate, has become invalid, compromised or pulled. But more often than not it could be ...