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Got a virus - cleaned it out- computer would then only connect to internet in safe mode with networking but now won't connect at all

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Hi, try this

The suspicion of possible errors in system files in Windows, it may be worth a try to run the "hidden" program that comes with just Windows.
System allows an administrator to scan all protected files to verify their versions.

If System File Checker discovers that a protected file has been overwritten, it retrieves the correct version from the cache folder (% Systemroot% \ System32 \ Dllcache) or source files for Windows installation, and replaces the incorrect file.

System File Checker also checks and filling up the cache folder. You must be logged on as an administrator or a member of the Administrators group to run System File Checker.

If the cache folder becomes damaged or unusable, you can use the sfc / scannow, sfc / Scanonce or sfc / scan boot to repair its contents.

To use SFC:

1) Press Start
2) Select Run ...
3) Enter: sfc / scannow and press OK
(Remember that there should be space after sfc)



More info about the System
Sfc [/ Scannow] [/ Scanonce] [/ Scan Boot] [/ Revert] [/ Purgecache] [/ Cache Size = x]

• / Scannow: Scans all protected system files immediately and replaces incorrect versions with correct Microsoft versions. This command may require access to source files for Windows installation.

• / Scanonce: Scans all protected system files once when you start the computer. This command may require access to source files for Windows installation when you start the computer. SfcScan DWORD value 2 in the following registry key when you run this command:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon

• / Boot Scan: Scans all protected system files every time you start your computer. This command may require access to source files for Windows installation every time you start your computer. SfcScan DWORD value of 1 in the following registry key when you run this command:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon

• / Revert: Restoring default scan setting (not scan protected files when you start your computer). The default cache size is not reset when you run this command. This command is equivalent to the / Enable switch in Windows 2000.

• / Purgecache: Purges the file cache and scans all protected system files immediately. This command may require access to source files for Windows installation.

• / Cache Size = x: Sets the file cache size to x megabytes (MB). Default cache size is 50 MB. This command requires that you restart the computer, and then run the command / purgecache to adjust the size of the cache on the disk. This command provides SfcQuota DWORD value of x in the following registry key:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon

Posted on Sep 11, 2010

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Posted on Jan 02, 2017

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Why does my laptop lose Homegroup connection every few minutes then reconnects? the other computer in the Homegroup however does not lose connection. I am using windows 7 home premium.


Method 1:
Step 1: Start your computer in safe mode with networking and check the functionality.
Starts Windows in safe mode and includes the network drivers and services needed to access the Internet or other computers on your network.
Advanced startup options (including safe mode)
http://windows.microsoft.com/en-US/windows7/Advanced-startup-options-including-safe-mode
If it works fine in safe mode with networking, perform clean boot to find the root cause.
Step 2: If it works fine in safe mode with networking, perform clean boot to find the root cause.
To help troubleshoot error messages and other issues, you can start Windows Vista or Windows 7 by using a minimal set of drivers and startup programs. This kind of startup is known as a "clean boot." A clean boot helps eliminate software conflicts.
http://support.microsoft.com/kb/929135
NOTE: After you check the functionality in clean boot configure Windows to use Normal startup using the step 7 suggested in the link mentioned above.
Note: Do Not disable wireless services, if any.
Method 2:
You may try the steps from the following link and check:
How to reset Internet Protocol (TCP/IP)
http://support.microsoft.com/kb/299357

Oct 12, 2014 | Computers & Internet

Tip

HOW TO MAKE YOUR COMPUTER SAFE, SECURE AND "SPEEDER" BY Cleaning a...


<a href="http://34b1905ev23ct7udm6m33nes21.hop.clickbank.net/"><span>Computer</span> viruses</a> are insidious, sneaky and--like their biological counterparts--constantly mutating. If you think your computer has been infected, the only safe course of action is to use a good anti-virus program.<span><br /><br /></span> <ol> <li> <br /> As soon as you suspect that your computer has a virus, remove your computer from any networks it might be on, as well as from <a href="http://34b1905ev23ct7udm6m33nes21.hop.clickbank.net/"><span>the Internet</span>,</a> so that you don't inadvertently spread the bug to others. Unplug your network cable if you have to.<br /> </li> <li> <br /> If you have virus-scanning (anti-virus) software installed, run it.<br /> </li> <li> <br /> If you don't have anti-virus software, you'll need to obtain some. If you can't get it from a network administrator or download it from an uninfected computer, you can mail-order it from a retailer.<br /> </li> <li> <br /> Start your computer (still not connected to a network) and follow the instructions that came with the anti-virus software.<br /> </li> <li> <br /> Keep running the virus-scanning software until your computer comes up clean.<br /> </li> <li> <br /> Reconnect your computer to the Internet and check with the anti-virus software's publisher to make sure you have the latest updates. If not, download them now.<br /> </li> <li> <br /> After updating the anti-virus software, run it again until your computer comes up clean.<br /></li></ol>AN INSTANT COMPUTER SCAN IS THE ONLY SURE WAY TO KNOW WHY YOUR COMPUTER IS SLOW, AND HOW YOU CAN MAKE IT FASTER AND SAFER.<br /><br /><a href="http://2e1db43dq75gmay8x0gcuf-0w7.hop.clickbank.net/"><span>OPEN A SCAN ENGINE......HERE</span><br /></a><span><br /><br /><br /><a href="http://www.ehow.com/how_113706_clean-virus-infected.html#ixzz17LxhfoYk"></a></span><br /><span><br /><br /><a href="http://www.ehow.com/how_113706_clean-virus-infected.html#ixzz17LxNR3O2"></a></span>

on Dec 06, 2010 | Computers & Internet

2 Answers

My Lenovo mouse won't work. It connects and registers but won't move? Is there any help?


Hello,

Try booting to safe mode and check if your mouse works inside safe mode.

Restart the computer and tap F8 until you see the options to boot to safe mode. Use the arrow keys to highlight either safe mode or safe mode with networking. Hit enter.

Once you are inside safe mode, check if your mouse works. If it works, then you just need to update the mouse driver. You can use RadarSync to search and install the update into your computer. You better use Safe Mode with Networking because RadarSync needs the internet or even the manual updating process needs an internet connection.

I hope this helps!

David

Apr 12, 2013 | Lenovo Computers & Internet

1 Answer

I am unable to install kaspersky internet security. I don't know internet connection is essential for that?


Try booting in Safe Mode with Networking. You should be able to load the Anti Virus in Safe Mode.

Mar 14, 2013 | Samsung SCX Computers & Internet

2 Answers

Freezing upon start up of computer


The best solution for you amanda would be to do a complete re-installation of Windows Operating System. As you can log in via Safe Mode, run the Recovery Manager from there so that your laptop is being set to Default Factory Settings.

Also, if you found it hectic, then here are a few tips to get your system going:

a) From Safe Mode, uninstall your antivirus program.

b) While in safe mode, restore your computer to an earlier restore point where you think the computer was working fine.

c) From Safe Mode, uninstall the programs which runs while you log in the windows

Nov 01, 2012 | Dell Computers & Internet

1 Answer

HP pavilion dv6700 won't down load it says there is a virus and closes


Reboot your computer into Safe Mode With Networking then Download and Install MalwareBytes and run a Quick Scan.

Turn off the computer, then hit the power button to turn it back on and immediately start hitting the F8 key repeatedly until you see SAFE MODE. Take the Safe Mode With Networking option (this will give you internet connectivity) and let it boot up. Safe Mode will look different to you, the screen will be darker and the icons bigger, this is normal.


Once you are booted up into Safe Mode With Networking open your internet browser.



Go to www.google.com and in the search box type: "Download cnet Malwarebytes" (without the quotes). Download and install malwarebytes from the sites download.cnet/malwarebytes. When the site opens up click on the Green Download button on the left. Do not click the Red Download button, that's junk. When it finishes installing the Gui Interface will open up with an offer to Accept a Trial Version or Decline. CLICK DECLINE you want the totally free version. Run a QUICK SCAN. As it scans, if it finds infections the number will be in red. When it finishes scanning, click SHOW RESULTS. A notepad text document will open up showing you the results. You can close the text document and go back to the Gui Interface where you will click REMOVE SELECTED RESULTS. The objects will already be selected for you. When it finishes removing the objects click ok and it will sometimes reboot your machine.


May 13, 2012 | HP Pavilion DV6700T Notebook PC

2 Answers

Whole computer freezes soon as it connects to internet but not in safe mode


Most likely, your computer has some sort of virus. I'd suggest running your computer in Safe mode with networking and downloading something called ComboFix. Get this set up and run this and it will remove any harmful virus.

My sources for this information is that I've used it once or twice and it worked like a charm both times! Hope this helps!

Jun 02, 2011 | Computers & Internet

1 Answer

Virus suspected. Norton wiped from PC not able to open Internet browser in normal config. Can. Connect in safe networking mode. Regards Craig


if you suspect that you got virus in your computer
then go to the following site
tinyurl.com/npelatest
you can download the norton removal tool and an run that to remove viruses

Dec 03, 2010 | Symantec Norton Internet Security 2009

1 Answer

My computer virus protection found GRAY_Gen.MZ40K9 how do I get rid of it


Try my five easy steps (if the first option doesn't work).

Download and install Malware Bytes, it's a completely free virus scan utility that not only finds the viruses, but gets rid of them too.

1. Go to http://download.cnet.com/3001-20_4-10804572.html?spi=1368be730f27c08fc9f5bc828a1ed6e5
(If the virus is so bad that you are unable to do so, get it off another computer with internet access and save the setup to a flash drive).

2. Boot the infected computer into 'Safe Mode With Networking' by repeatedly tapping F8 while the computer is starting up.

3. After entering Safe Mode /w Networking, drag the setup file to the desktop from the flash drive and run the setup to install Malware Bytes

4. After Malware Bytes starts up, go to the 'Update' tab and click Check For Updates. (This is the reason for booting into Safe Mode With Networking, so you can connect to the internet to download the updates).

5. Go back to the 'Scanner' tab and choose 'Full Scan' and then it will ask which drive you want to scan, select your hard drive and let it go!

Good Luck :)

Mar 14, 2010 | Microsoft Windows Vista Home Premium with...

1 Answer

I cannot connect to the Internet via a wireless connection on a laptop, and am only able to ping in safe mode. A Time-Warner expert believes that it is a virus or Trojan, but I have been able to connect...


post more details

in the mean time try this:

1. if it's a virus or malware clean up your computer (use AVG or avast for virus clean up and Spybot S&D, adware se, and a-squared for other malware.. all of them are free). make sure you update the programs and run them 1 or 2 times depending how contaminated your system is.

2. repair your internet adapter's connection:. in network connections, select right click your network adapter and select repair.. see if you get an valid ip address different from 0.0.0.0

3. Do you have access to your access point / router on the network you have problems with.
you need to have the SSID for your Access point (router) and a key or passphrase (if setup) if you don't have those check with your network administrator

4. did you mess around with the internet options?.. open your browser go into tools, internet options, security tab and reset your internet settings for the internet zone to default.

5. check you are within range and that your wireless adapter is on.

good luck and post more details to be assisted further if needed.

Oct 04, 2008 | Computers & Internet

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