Aptoide refuses to update existing or install new apps. Whenever I try, I get an exclamation mark and the 'App not installed' error.
Aptoide TV 5.0.0(518)
MDZ-16-AB running Oreo, build ends with 2303
Unknown sources is enabled for Aptoide in settings, verify apps disabled
Aptoide options has disabled the filter apps option
For the apps that you're updating having you tried uninstalling them first. I've noticed that issue for me.