How to Recover Hidden Files from Virus infected USB Pendrive

It is easy to repair hidden files of Pen Drive, which are got invisible. Due to many viruses files on Removable storage devices like Pen Drives or media cards,are got invisible (make hidden). It seems that they are deleted from disk, but they just invisible to user. Many users feel anxiety and thought that they lost data, but if you check the properties of drive it shows a valuable used space. Don’t frustrate, it is easy to get the files back by repair hidden files of Pen Drive.

For make them visible (on windows XP) 

open My Computer > click on Tools > Folder Options > View> check on Show hidden files and Uncheck Hide protected operating system files.

(on windows 7): My Computer > click on Organize > Folder and search Options > View> check on Show
hidden files and Uncheck Hide protected operating system files.

Now they are visible to you. but not like ordinary, for correct them or repair them as ordinary.

Step - 1 

First we have to find and remove the AUTORUN.INF file in the pen drive.

Follow all the steps given below.
1) Click on the below link and download the file "AutorunExterminator" 

Download

Extract it --> Double-click on "AutorunExterminator" --> Plug your pendrive now.

This will remove the autorun.inf files from drives and plug your pen drive to

remove the autorun.inf file from it also.

[Note : Make sure Dot Net Framework is installed in your PC.]

Step -2

Click on "Start" -->Run --> type cmd and press Enter.

Here I assume your pendrive drive letter as G:

Enter this command.

attrib -h -r -s /s /d g:\*.*

You can copy the above command --> Right-click in the Command Prompt and paste it.

[Note : Replace the letter G with your pen drive letter.]

Now check for your files. 

if not download this Pendrive Doctor Software and enable hidden files and folders

Download

10 Simple Ways To Speed Up Windows 7

1. Faster Window Switching

Disabling the Minimise-Maximise animation can make your PC run a lot faster. Disabling is easy:

• Go to Start and type in ‘SystemPropertiesPerformance‘
• Go the Visual Effects tab
• Uncheck ‘Animate windows when minimizing and maximising‘ and click OK

 
2. Speedup Windows 7 Boot Times

Windows 7 only uses one core to boot out of the box. By increasing the number of cores used you can decrease the boot time:

1. Click on Start and then ‘Run’
   
2. Search for Run and type ‘msconfig’
3. Click on the tab ‘Boot’ and click on ‘Advanced options…’
4. Check ‘Number of processors’ and enter how many your PC has (usually 2,4 or 8)
5. Click ‘OK’ and ‘Apply’
6. Reboot

 
3. Remove Unwanted Fonts

Fonts, especially TrueType fonts, use quite a bit of system resources. For optimal performance, trim your fonts down to just those that you need to use on a daily basis and fonts that applications may require.

• Open Control Panel
• Open Fonts folder
• Move fonts you don’t need to a temporary directory (e.g. C:FONTBKUP?) just in case you need or want to bring a few of them back. The more fonts you uninstall, the more system resources you will gain.

 
4. Speed Up Windows 7 Shutdown Time

Windows 7 shutdowns a lot faster than Vista or XP, but it can be improved further by making this registry change which reduced the time Windows waits to kill processes:

• Click on Start and type in regedit and hit Enter
• Navigate to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControl
• Right-click on WaitToKillServiceTimeOut and change and lower the value
• The default is 12000 (12 seconds) but you can lower this to any number
• Click ok and restart PC

5. Disable Search Indexing

If like me you know where your files are stored, and only do a file search once in a blue moon, then the Search Indexing feature is a total waste of time. It uses up quite a lot of resources and is one feature I’d recommend most users disabling:

• Click on Start and type in services.msc
• Find and right-click ‘Windows Search’
• In the startup type field choose ‘Disabled’

6. Faster Toolbar

Taskbar thumbnail previews are one of Windows 7′s cool features. To decrease the time take to display thumbnails make these tweaks. (Note: be careful as you are tweaking the registry):

• Click on Start and type in regedit and hit Enter
• Navigate to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVe rsionExplorerAdvanced
• Right-click on Advanced, select ‘New DWORD‘ and enter the following value: “ThumbnailLivePreviewHoverTime”
• Then right-click on ‘ThumbnailLivePreviewHoverTime’ and select ‘Modify’.
• Choose Decimal Base and enter in your new number in milliseconds. I use 200 (0.2 secounds), but experiment until you find a time you like.
• Click Ok and restart

7. Turn Off System Sounds

Do you really need the system sounds? If not then disabling will again free up resources:

• Go To Start and type in mmsys.cpl
• Click on the Sounds tab and choose ‘No Sounds‘ in the sound scheme drop down

 
8. Remove Unwanted Startup Programs

Many programs start automatically or start components with Windows, which will slow your bootup times and use unnecessary resources. These include programs like Acrobat, Quicktime, iTunes, Java etc. To stop these programs autostarting:

• Go to Start and enter ‘msconfig’
• Click on the startup tab and uncheck anything you are certain you don’t need e.g. don’t untick your AV program

 
9. Disable Windows Aero

I’ve tried to avoid listing tweaks that make Windows 7 look ‘worse’, but Windows 7 Aero Theme can really task, so disabling is advisable if you need that extra speed:

• Right-click on your desktop and select ‘Personalise‘ and click the ‘Window Color‘ tab
• Uncheck the ‘Enable Transparency’ box
• Click on ‘Open classic appearance properties for more color options’
• Choose a Standard or Basic theme from the popup that appears

 
10. Disable Services

Some windows 7 services take up a lot of unnecessary ram, which is particularly bad if you don’t use them. Black Viper maintains a very good list of services that can be stopped. Rather than disabling services, I recommend that you set services you don’t think you need to ‘manual’ just in case you make a mistkae.
To Start or Disable services:

1. Go to Control Panel. Click on ‘Administrative Tools‘ and then click on ‘Services’
2. Right click on each individual service you want to tweak below.

Create Bootable USB For Win 7 / Win 8 ( Easy Steps )

Note : Your USB Flash Drive Should have at least 4GB  Disk Space & It should be formatted in NTFS File System.


Step - 1 ( format the USB Drive with CMD )

•  Open Command Prompt with Admin Privilege.
•  Assuming the letter of the USB flash drive is G:
• Command -  

1. diskpart
2. list disk
   
3. select disk 1 ( check Your Usb Drive Disk Number )
4. clean
5. create partition primary
6. select partition
7. active
8. format fs=NTFS

  
Step - 2

• Insert Bootable Win 7/ Win 8 CD to DVD ROM
• Command - (find the Driver Letter For DVD ROM

1. F: cd boot
2. cd boot
3. bootsect.exe /nt60 G:          ( F: = DVD ROM / G: = USB Drive )

 Step - 3

• Copy all the files and folders from DVD to USB Bootable Drive

Detect and Avoid IP Address Conflicts

IPv4 address conflicts are a common cause of problems with DHCP. No two computers on the network can have the same unicast IP address. If a computer is assigned the same unicast IPv4 address as another, one or both of the computers might become disconnected from the network.

To better detect and avoid potential conflicts, you can enable IPv4 address conflict detection by following these steps:

1. In the DHCP console, expand the node for the server you want to work with, right-click IPv4, and then click Properties.

2. On the Advanced tab, set Conflict Detection Attempts to a value other than 0. The value you enter determines the number of times the DHCP server checks an IP address before leasing it to a client. The DHCP server checks IP addresses by sending a ping request over the network.

Real World Example: A unicast IPv4 address is a standard IP address for class A, B, and C networks. When a DHCP client requests a lease, a DHCP server checks its pool of available addresses and assigns the client a lease on an available IPv4 address. By default, the server checks only the list of current leases to determine whether an address is available. It doesn’t actually query the network to see whether an address is in use.

Unfortunately, in a busy network environment, an administrator might have assigned this IPv4 address to another computer or an offline computer might have been brought online with a lease that it believes hasn’t expired, even though the DHCP server believes the lease has expired. Either way, you have an address conflict that will cause problems on the network. To reduce these types of conflicts, set the conflict detection to a value greater than 0

Source -   http://technet.microsoft.com/en-us/magazine/ff606371.aspx

ISO-OSI 7 Layers

Layer 1 - Physical Layer ƒ

• interface with the communications hardware and transmission medium. ƒ
• transmission of an unstructured stream of data bits.

Layer 2 - Data-link  Layer ƒ

• transmission of frames containing data and/or control information. ƒ
• provides error control and flow control over the data link.

Layer 3 - Network  Layer ƒ

• effective where the end-to-end path consists of a series of data links either within one subnetwork [WAN] or over a collection of subnetworks [internet]. ƒ
• provides routing and relaying over the subnetwork[s].

Layer 4 - Transport  Layer ƒ

• provides a reliable end-to-end transfer of data between the two communicating systems. ƒ
• provides service independent of the underlying sub network[s]. ƒ
• acts as a separator between the end system related protocols [interworking] and the sub network related protocols [interconnection].

Layer 5 - Session  Layer ƒ

• manages the session [establishment, dialogue exchange, recovery, termination].

Layer 6 - Presentation  Layer ƒ

• resolves differences in data representation in end systems. ƒ
• provides common transfer syntax.

Layer 7 - Application  Layer ƒ

• provides network services for user application processes. ƒ
• file transfer, remote terminal access, messaging, remote job entry, management, security and directory services.