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Have you tried to start PgAdmin as Admin ? also there seems to be an issue with Non English Paths and usernames
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Have you tried to start PgAdmin as Admin ? also there seems to be an issue with Non English Paths and usernames

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I am always tried to run as administrator.same issue facing after that thing
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I am always tried to run as administrator.same issue facing after that thing

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Is your user name contains Non English letters ?
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Is your user name contains Non English letters ?

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my username is ptl15...This is my PC username
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my username is ptl15...This is my PC username

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This is old version.Now we are using 9.6
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Yes this the old version..my mistake....this the <a href="https://www.postgresql.org/ftp/pgadmin3/pgadmin4/v1.3/windows/" rel="ugc nofollow">newest</a>...you have first to uninstall the current PgAdmin
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Yes this the old version..my mistake....this the newest [https://www.postgresql.org/ftp/pgadmin3/pgadmin4/v1.3/windows/]...you have first to uninstall the current PgAdmin

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Please find my attachment file.I have a new issue in postgresql.If i open the application i got a this error message<br />
<a href="https://filedb.experts-exchange.com/incoming/2017/03_w11/1150587/Untitled.jpg" target="_blank" class="file-inline" title="Untitled.jpg (94 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Untitled.jpg</a>
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Please find my attachment file.I have a new issue in postgresql.If i open the application i got a this error message
Untitled.jpg [https://filedb.experts-exchange.com/incoming/2017/03_w11/1150587/Untitled.jpg]

Untitled.jpg

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You have PgAdmin 4.1.2 maybe you should try 4.1.3
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You have PgAdmin 4.1.2 maybe you should try 4.1.3

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<div class="content wysiwyg-content">
Hi,<br />
<br />
&nbsp; &nbsp;I have installed Postgresql 9.6.1 in my desktop machine.If i open the pgadmin it show error&quot;Failed to connect to the pgAdmin application server. Click here to try again.&quot;<br />
&nbsp; &nbsp; After click retry more than 20 times.it will connected after that start pgadmin occur the same issue.please advice to me.what should i do?
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Hi,

   I have installed Postgresql 9.6.1 in my desktop machine.If i open the pgadmin it show error"Failed to connect to the pgAdmin application server. Click here to try again."
    After click retry more than 20 times.it will connected after that start pgadmin occur the same issue.please advice to me.what should i do?

Postgresql 9.6

PostgreSQL is an object-relational database management system with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data securely, supporting best practices, and to allow for retrieval at the request of other software applications. PostgreSQL implements the majority of the SQL2011 standard, is ACID-compliant and transactional using multiversion concurrency control (MVCC), and handles complex SQL queries using many indexing methods that are not available in other databases. It is cross-platform and runs on many operating systems including Linux, FreeBSD, OS X, Solaris, and Microsoft Windows.