network icon showing red x

i tried soooo Many Thing from so many forums.
but these steps Solved that Damn X on my internet connection, Also that yellow star that was appeared before it beside my Wireless connection..follow these simple steps:
1-Uninstall all Network Connection in Device manager.(dont uninstall software)
2-MOST Important point: Right Click on my computer--> Manage-->Local Users and groups-->Groups--> in right panel Double Click Users
3- Remove all NT_AUTHORITY**** (something like that) from there
4-Scan for hardware changes and let the Drivers install again

hope this work for u to,if yes pray for me ;-)

http://windowsforum.com/threads/network-icon-is-showing-a-red-x-even-though-im-connected.35944/

java runtimeexception InvocationTargetException when running signed applet locally with 7u45

If you uncheck "Enable the next-generation Java plug-in" in the Advanced tab of Java control Panel, the problem stops on IE.
Still no luck with Firefox, though...

https://forums.oracle.com/thread/2594401 

I don't have permissions to send emails on my own behalf

It turns out that the users somehow created alternate credentials in Windows. Outlook would then try to use those credentials when sending as the user which would cause it to fail. Just go to the Control Panel, then to Credential Manager, and remove any credentials that relate to your

 http://community.spiceworks.com/topic/206858-i-don-t-have-permissions-to-send-emails-on-my-own-behalf

export dhcp database

Export the DHCP database from Windows 2003:

1.                   On the Windows 2003 DHCP server, navigate to a command prompt

2.                   Type the following Command: netsh

3.                   Type the following Command: DHCP

4.                   Type the following Command: server <\\Name or IP Address>

5.                   Type the following Command: export c:\w2k3DHCPdb all

Note You must have local administrator permissions to export the data.

Import the DHCP database

1.       Copy the exported DHCP database file to the local hard disk of the Windows Server 2008-based computer.

2.       Install the DHCP Role on the server.

3.       Stop the DHCP server service on the server.  To do this, follow these steps:

a.       Log on to the target DHCP server by using an account that is a member of the local Administrators group.

b.      Click Start, click Run, type cmd in the Open box, and then click OK.

c.       At the command prompt, type net stop DHCPserver , and then press ENTER. You receive a "The Microsoft DHCP Server service is stopping. The Microsoft DHCP Server service was stopped successfully" message.

d.      Type exit, and then press ENTER.

4.       Delete the DHCP.mdb file under c:\windows\system32\DHCP folder.

5.       Start the DHCP server service.

6.       Right-click on the Command Prompt (cmd) and select run as administrator, to open the cmd prompt using elevated privileges.

Note You must have local administrator permissions to import the data.

7.       Type the following Command: netsh

8.       Type the following Command: DHCP

9.       Type the following Command: server <\\Name or IP Address>

10.   Type the following Command: import c:\w2k3DHCPdb

11.   Restart DHCP and verify the database has moved over properly.

Rules do not work automatically

Reset srs-file

Resetting the send/receive settings can be achieved by renaming the srs-file of your profile to .old. You can find the srs-file for your mail profile in;

• Windows Vista and Windows 7:
  C:\Users\%username%\AppData\Roaming\Microsoft\Outlook
• Windows XP:
  C:\Documents and Settings\%username%\Application Data\Microsoft\Outlook

How to Set Up an "All Mail" Folder in Outlook

n Outlook:

• Select File | New | Search Folder... from the menu.
• Highlight Create a custom Search Folder (at the bottom under Custom) in the Select a Search Folder: area.
• Click Choose... under Customize Search Folder:.
• Type "All Mail" under Name:.
• Click Browse....
• Make sure both the top Personal Folders folder (or whatever the topmost folder is called) and Search subfolders are checked under Folders:.
  • Of course, you can also leave Search subfolders unchecked and choose the folders whose messages you want to see individually.
  • If your Junk E-mail folder is, in fact, filled with junk email, consider choosing all folders but it manually. You can also make all your mail folders sub-folders of the Inbox or another folder and search that with Search subfolders enabled.
• Click OK.
• Click OK again.
• Now click Yes in response to Outlook's warning that All messages in the folders you have selected will appear in this Search Folder..
• Click OK once more. 
•   http://email.about.com/od/outlooktips/qt/et_all_mail.htm

Copy and paste from a remote computer

You can copy text or pictures from a document that is stored on a remote computer, and then paste the content into a document on this computer.

1. On the remote computer, select the text or pictures that you want to copy.
2. Click the Edit menu, and then click Copy.
3. On this computer, click in the document at the place where you want to add the copied text or picture.
4. Click the Edit menu, and then click Paste.

Notes

• If copying and pasting from a remote computer don't work, clipboard redirection might be disabled. To fix this, disconnect your Remote Desktop session, and then do this:
  Open Remote Desktop Connection by clicking the Start button , clicking All Programs, clicking Accessories, and then clicking Remote Desktop Connection.
  Click Options, click the Local Resources tab, and then, under Local devices and resources, select the Clipboard check box.
• Depending on the policies of your network and the version of Windows that is running on the remote computer, this procedure might not work with some Remote Desktop connections.