I am using windows 7, have installed it to the non () path i have installed on the same machine 11.2.0.2 oracle client and 11.2.0.2 database.

For some reason its not picking up tnsnames correctly i have tried reinstalling plsql developer multiple times with no luck any suggestions will be useful!

[quote]PL/SQL Developer
Version 8.0.4.1514
Windows 7 (64-bit) 6.1 Build 7600

Physical memory : 4,194,304 kB (2,623,956 available)
Paging file : 4,194,304 kB (4,194,304 available)
Virtual memory : 2,097,024 kB (1,962,492 available)

Parameters
C:\Program Files\PLSQL Developer\plsqldev.exe

Preferences
Session mode: Multi
OCI Library:
Use OCI7: True

Preference Files
C:\Program Files\PLSQL Developer\Preferences\Default\Default.ini
C:\Users\brettm\AppData\Roaming\PLSQL Developer\Preferences\brettm\default.ini

Plug-Ins

Aliases

Homes

DLLs
C:\app\oracle\product\11.2.0\client_1\oci.dll

TNS File

Using
Home:
DLL:
OCI: not initialized[/quote]


[quote]
PATHS
C:\app\oracle\product\11.2.0\client_1
C:\app\oracle\product\11.2.0\client_1\bin
%CommonProgramFiles%\Microsoft Shared\Windows Live
C:\app\oracle\product\11.2.0\dbhome_1\bin
C:\Program Files (x86)\Common Files\NetSarang
C:\Windows\system32
C:\Windows
C:\Windows\System32\Wbem
C:\Windows\System32\WindowsPowerShell\v1.0\
C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static
C:\Program Files (x86)\QuickTime\QTSystem\
C:\Program Files\Common Files\Microsoft Shared\Windows Live[/quote]

Perhaps you need to set the TNS_ADMIN environment variable? It needs to be set to the directory where the tnsnames.ora file is located.