oracle 11 g installation problem

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Oracle

database

installer

i had oracle enterprise edition 11 g installed on my computer and work very fine

then i installed antivirus and scan and remove viruses using it but i found the service of oracle Console deleted and could not recover it

i tried to uninstall oracle but it failed so i tried to install another copy in another place in the hard disk but it come to 85% in database creating and hang forever

i tried to see the log file for the operation i found the end of it like this

<pre lang="xml">[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [OracleHome.getVersion:946]  Current Version From Inventory: 11.2.0.1.0
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [OracleHome.getVersion:951]  using sqlplus: E:\app\amir\product\11.2.0\dbhome_1\bin\sqlplus.exe
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLPlusEngine.getCmmdParams:222]  m_home 11.2.0.1.0
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLPlusEngine.getCmmdParams:223]  version &gt; 112 true
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.getEnvParams:552]  Default NLS_LANG: EGYPTIAN_EGYPT.AL32UTF8
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.getEnvParams:562]  NLS_LANG: EGYPTIAN_EGYPT.AL32UTF8
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.initialize:322]  Execing SQLPLUS/SVRMGR process...
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.initialize:359]  m_bReaderStarted: false
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.initialize:363]  Starting Reader Thread...
[Thread-7] [ 2013-06-19 15:47:17.116 EEST ] [SQLEngine.initialize:412]  Waiting for m_bReaderStarted to be true</pre></pre>

i searched for some solution and i found one is to stop the creation and try to configure emca manually

i am sure that the database was created because i can connect to it using sqlplus.

i deleted all public synonym that created for a table its owner is SYSMAN and delete the role MGMT_USER and the user MGMT_VIEW and user SYSMAN with cascade option.

then i tried this order in CMD

emca -config dbcontrol db -repos create

it continued successfully and say that the emca created successfully

but the link of the Enterprise manager don't appear on the start -> all programs menu and the service of oracle console didn't appear else.

i tried to uninstall all the servers of oracle i installed and delete all registry and in c: and the installed path and tried to install a fresh oracle server enterprise edition 11 g

but it also reached to 85% of the database creation process and hang .

please what is the solution without change windows.

i have windows 7.