Oracle EBS on Windows halts every now and then without an issue

The instance can be started and login successful. But it crashes with in few minutes.
The issue has been resolved after done the following steps,

1) Enabled the TCP port to be allowed by the firewall using the exception tab on the firewall or else Concurrent manager will not be started and also will not be able to ping to the server.

2) Added following entry in the http.conf after the install (430386.1)
MaxRequestsPerChild 0
MaxClients 150
ThreadsPerChild 20

3) Increaded the Paging file size to double the size of the RAM

4) For Oracle forms launch with FRM-92101/500 error, recompiled the forms using adadmin (Ref Note # 427714.1)

Internet Explorer 7 Crashes When Using Web.show_document With an URL to Download a File

Internet Explorer 7 Crashes When Using Web.show_document With an URL to Downloads a File
Running the same URL in the following cases are working fine:

- From Form using FireFox/Netsacpe browsers.

- Outside Forms using Internet Explorer 7 browser

This is because Internet Explorer 7 has a security checks that are enabled by default to protect computers from automatic downloads from websites.
To work around this issue, please execute the following steps:

1. In Internet Explorer, click Tools, and then click Internet Options.

2. Click the Security tab.

3. There are four security zones listed:

• Internet• Local intranet• Trusted sites• Restricted sites

Click the zone "Internet".
4. Under Security level for this zone, click Custom Level.

5. Under ActiveX controls and plug-ins, under Automatic prompting for ActiveX controls, click Enable.

6. Under Downloads, under Automatic prompting for file downloads, click Enable, and then click OK.