How to Repair Corrupt System Files in Windows 7

Here is the command line to repair Windows 7 system file.

1. Type CMD in Search programs and files then right click to run as Administrator 
2. In the command prompt type SFC /SCANNOW
3. The SFC tool will scan your system files and show the status report. If it found any corrupted files, it will repair them automatically

How to Disable System Restore in Windows 7

There will be a time when you need to disable Windows 7 System Restore like prior performing virus removal. You can follow the instructions below. But note that if you disable System Restore, you will not be able to perform a system restore when needed.

1. Click on Start Menu, then right click on Computer and select Properties
2. In the System Properties window that opens, click on Advanced system settings on the left side
3. In the Advanced system properties window, select the System Protection tab by clicking on it. Select a partition for which Protection status is ON and then click on Configure. 
4. In the window that pops up, select Turn off system protection, then click on OK
5. You would see a confirmation dialog box, click Yes to confirm
6. Repeat steps 3, 4 and 5 for all partitions for which the Protection status is ON

How to Flush DNS in Windows OS

There will be a time where you would need to flush your DNS cache in your PC. Here is the steps to flush DNS in your Windows system.

1. Close all open web browsers and applications on your computer
2. Go to Run and type CMD. Please not you need to run as Administrator to perform this step.
3. At the command prompt, type upconfig /flushdns then press Enter
4. View the DNS resolver cache by typing ipconfig /displaydns at the command prompt then press Enter
5. Your computer DNS caching should all be cleared in your command prompt

How to Optimize USB or SD Drive in Windows 7

You can configure your USB or SD drive in Windows 7 to experience a performance boost for read or write.

Here is how you can change the setting:

1. Insert your USB or SD drive to your Windows 7 computer
2. Go to Run and type devmgmt.msc to launch Device Manager

3. In the Device Manager, expand the Disk Drives category and your USB or SD drive should be listed there. Double click on the removable drive that you just inserted and it would launch the Properties windows.

4. Select Policies tab in the Properties window. Then you need to select the option labeled Better Performance in the policies settings.

5. Then click the OK button to save the settings.

Please note that once you configured your USB or SD drive for better performance, you need to use Safely Remove Hardware notification to remove it.

How to Fix Insert Page Number Issue in Word 2010

Office Word 2010 references a file called Building Blocks.dotx to create the page number.

On Windows XP installation the file is located at,

C:\Documents and Settings\username\Application Data\Microsoft\Document Building Blocks\1033

On Windows 7 or Vista installation the files is located at,

C:\Users\username\AppData\Roaming\Microsoft\Document Building Blocks\1033

You will need a working Building Blocks.dotx file from another computer with Word 2010 installed and copy it to replace the file on the computer that's having the issue.

How to Manually Remove Trojan.Sirefef.BV

Hundreds of particular cases have been reported so far for Trojan.Sirefef.BV infection and they are still hundreds are to be discovered, according to experts’ expectations. Malware registered under the above detection code is a tiny program, might be less than 10 KB long. It swiftly enters computer system. This might be an illegal migration of HTTP cookies file. Naturally an infection of such small size cannot be capable of executing multiple tasks. Therefore the detection is a single-task malware. Below are the steps to manually remove Trojan.Sirefef.BV.

Remove the following files:

• %System%\drivers\[RANDOM CHARACTERS].sys
• %Temp%\[random]
• C:\WINDOWS\system32\[random name].dll

Remove the following Registry entries:

• HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main “Use FormSuggest” = ‘Yes’
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “WarnonBadCertRecving” = ’0′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop “NoChangingWallPaper” = ’1′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations “LowRiskFileTypes” = ‘.zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;.scr;’
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’1′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer “NoDesktop” = ’1′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = ’1′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random].exe”
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random]”
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system “DisableTaskMgr” = ’1′
• HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “CheckExeSignatures” = ‘no’
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “Hidden” = ’0′
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “ShowSuperHidden” = ’0′