Case 1: User getting error in MS Outlook due to proxy enabled.

Method 1

Disabling Proxy Settings on the Internet Explorer when Using Windows 7

A proxy server is an application or system that acts as an intermediary between your computer and the Internet.  Enabling this service can cause problems in accessing Internet websites because the proxy server settings have been configured.

Step 1: Steps for Disabling the Proxy settings in Laptops / Desktops for accessing Internet (windows 7)

1.       Click on Start, then go to All Programmes & locate Internet Explorer

2.        Right Click on Internet Explorer and click on Run as administrator

3.      Click “YES” for below prompt. 

OR
Double-click the Internet Explorer 

 icon.

Step 2:
On the Internet Explorer window, click on Tools, then click on Internet Options.

Step 3:
On the Internet Options window, click the Connections tab, then click on the LAN settings button.

Step 4: Uncheck "Use a proxy Server...." check box if already checked

Click OK.

NOTE:  Make sure that the boxes are unchecked.

 

Method 2

To reset your Internet Explorer proxy settings yourself, follow these steps:

1.       On Windows XP, click Start, or on Windows Vista or Windows 7, click 

, and then click Run.

2.       In the Run text box, copy (CTRL+C) and paste (CTRL+V) or type the following:

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable /t REG_DWORD /d 0 /f

3.       Click OK.

4.       On Windows XP, click Start , or on Windows Vista or Windows 7, click 

, and then click Run.

5.      In the Run text box, copy (CTRL+C) and paste (CTRL+V) or type the following:

reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyServer /f

6.       Click OK.

   

Or  run the MS Fix it :

http://support.microsoft.com/kb/2289942

Method 3 Using Registry

Go to run command and type Regedit to open registry editor  and find the following settings should be there:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

"MigrateProxy"=dword:00000001

"ProxyEnable"=dword:00000000

"ProxyHttp1.1"=dword:00000001

"ProxyOverride"="<local>"

Method 4 if proxy is enabled automatically after performing the above steps

You can disable the Automatic Proxy Result Cache by using the following registry key:

HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings

Value: EnableAutoproxyResultCache
Type: REG_DWORD
Data value: 0 = disable caching; 1 (or key not present) = enable automatic proxy caching (this is the default behavior)
[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings]"EnableAutoProxyResultCache"=dword:00000000"

1.       Click Start, click Run, type gpedit.msc, and then click OK.

2.       In Group Policy Object Editor, double-click User Configuration\Administrative Templates\Windows Components\Internet Explorer.

3.       Double-click Disable caching of Auto-Proxy scripts.

4.       Click Enable, and then click OK.

Group Policy Editor

Case 2: Now user able to connect to internet using office Local area or WiFi but still getting same proxy error while using the dial up connection or Dongle.

Follow these steps:

1.     Check the Dial up connection settings

Select the Dial up connection and then Click on settings

2.     Uncheck the “Use a Proxy server…..” check box and apply new settings.

Method 5 to resolve the issues with proxy

1.       Login as an Administrator.

2.       Remove all unwanted tool bars and third party Browser extensions and unknown programs using iObit uninstaller.

3.       Optimize and clean up computer Internet explorer using CCcleaner.

4.       Clear your browser cookies, SSL State.

5.       Reset Internet Explorer also may try registering DLL files. (for /r %i in (*.dll) do regsvr32 /s "%i")

6.       Try Autoruns , run it as administrator to remove unwanted startup and orphan registry entries.

7.       Scan computer with Anti Malware.

Reboot computer and check once more if still issue persists, Go to C:\Windows\system32\drivers\etc

8.       Check Hosts file, Rename or delete the old Hosts file and create a new healthy host file. 

9.       Try safe Mode with Networking

10.   Try downgrade or upgrade the browser.

11.   Open command prompt as administrator and try SFC /Scannow

12.   Try a System Restore

13.   Try creating new user profile or a new user account.