How to fix the wrong-start-page-problem when occurring with Firefox browser

Recently, my Firefox browser always opened with a start page (or startup page) displaying content from a third-party provider I never had invited to do so.

I fixed this problem in three quick steps:

1. Open the desired start page in sabotaged Firefox browser.
2. Select and drag the URL string from the address bar to the Home button in the toolbar. 
3. When asked “Do you want this document to be your new home page?”, click Yes.

Now, my desired start page comes up each time, when I launch Firefox.

Note: I experienced some confusion about the terms “home page” and “start(up) page” when consulting different tutorial or support websites. My understanding is that one may set one's home page as a browser start page, but does not have to. Personally, I like to have a search engine page as my browser start page; neither my home page nor a browser-enforced page.

Upgrading to pgAdmin 4 on Windows: issue with contacting the local server solved!

Recently, I upgraded to PostgreSQL 10 and pgAdmin 4 on Windows 10. When I started pgAdmin 4 from the All apps list in the Start menu, pgAdmin did not start as expected and a message was displayed that the PostgreSQL server could not be contacted!

How to fix that? Fortunately, it turned out to be easy. I inspected the AppData\Roaming\pgAdmin folder within my Windows user account home folder and realized that it contained various files and folders. After moving all of them into the Recycle Bin, I was able to restart pgAdmin successfully.

Maybe, data stored and dumped while working with a prior pgAdmin version interfere with version 4. Then, to avoid pgAdmin4 start-up errors has a simple one-step fix (the way it worked for me as described above):

Remove all files and folders from your AppData\Roaming\pgAdmin folder. This folder has the path

C:\Users\YourUserName\AppData\Roaming\pgAdmin

with YourUserName being—well—your user name. If you still want to switch back to an older pgAdmin version previously installed and run on your computer, you should keep the removed files in storage—just in case..