Hi, You have installed and re-installed the pgAdmin 4 same version, so have you uninstalled it and then re-installed?
Also, please enable logging and send the logs. Refer https://www.pgadmin.org/faq/#8 to enable logging. Thanks, Khushboo On Sun, Sep 16, 2018 at 2:30 PM, Celeste Mavoula <celeste.mavo...@gmail.com> wrote: > > Hello..!! > I'm about to start working with Postgresql..I have already downloaded > installed the set up of the last version... > > But, there's a problem..when I opening the pg-admin to start > working..there's a fatal error message like: *the application could not > be connected* > > So, I hope that I try to explain the problem that I'm facing..I want your > help please > > Regards > > > > Hi, > > There might be problem with your connection string. Could you describe > about the parameters you are trying to connect while registering a new > server ? > > Regards, > Pavan > Afficher le texte des messages précédents > Are there any prior Postgresql version installed?? In case of windows, > clear app roaming data folder. It might fix your issue > Afficher le texte des messages précédents > No...there was not..but I install and reinstall the set up > Afficher le texte des messages précédents > The same version...the registering parameters that I used is the local > Sever as default and the port 5432 that what I have put.. > Afficher le texte des messages précédents > > *From:* Celeste Mavoula [mailto:celeste.mavo...@gmail.com] > *Sent:* Monday, September 10, 2018 3:51 AM > *To:* pgsql-ad...@postgresql.org > *Subject:* How to install Postgresql on Windows 10 > Afficher le texte des messages précédents > > > > You have a problem with PgAdmin not Postgres. > > You should address your question to pgadmin-supp...@postgresql.org > > > > Regards, > > Igor Neyman > > > >