Unable to connect existing PGAdmin to existing PostgreSQL Db

<div class="WordSection1"><p class="MsoNormal">Hi ,<p class="MsoNormal"> <p class="MsoNormal">I have come across this
issueall the time. <p class="MsoNormal"> <p class="MsoNormal">I reinstalled and it works for a while. Once the computer
rebooted,it appeared again. <p class="MsoNormal"> <p class="MsoNormal">Regards,<p class="MsoNormal"> <p
class="MsoNormal"><spanstyle="font-size:10.0pt">Naixian (Nancy) Zhang</span><p class="MsoNormal"><span
style="font-size:10.0pt">ProductSpecialist | Global Client Solutions</span><p class="MsoNormal"><span
style="font-size:10.0pt">RevereData</span><p class="MsoNormal"><span style="font-size:10.0pt">60 East 42nd Street,
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