Cannot Connect to DB from 9i DS Release 2

I have a DB connection problem that I cannot resolve and need your help.

Standalone Dell 8200 PC using XP Prof. with 61.6 GB of free space.

A couple of days ago I installed my 9.2 DB successfully and was able to connect with SQL*Plus and TOAD.

Then yesterday I installed 9iDS Rel. 2 which finished with no errors. Destination for DS is:
Name: IDSHome
Path: C:\IDSHome1

The 9.2 DB is located at C:\oracle\admin . . . \ora92 . . . \oradata

Now I'm having a problem connecting the DB. I can connect via SQL*Plus but not TOAD. I tried connecting to the Forms Developer/Builder, Designer, and Reports Developer/Builder and get the same error message.

ORA-12154:TNS: Could not resolve service name. Service name specified is not defined in TNSNAMES.ORA file.

And when I go to Services for DS I get:
OracleIDSHomeAgent - fails (will not run even with numerous start attempts) OracleIDSHomeClientCache - runs
Both have startup type of manual.

Attached is my TNSNAMES.ORA file.

One thing I didn't do is reboot my PC prior to the start of this installation. I didn't think I needed to since this is the first installation for DS.

Anyone have any idea what is wrong and how I go about correcting it?

Any and all help will be greatly appreciated.

Thanks,
Ken

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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: KENNETH JANUSZ
  INET: kjanusz_at_att.net

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application/octet-stream attachment: tnsnames.ora