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I recently did a clean install of Windows 7 on my PC and downloaded all the drivers from the manufacture’s website and thought everything was good to go. I happened to go into Device Manager and noticed that there was a problem with Base System Device.

Actually, there were several Base System Device driver errors, all with question marks. I was surprised because I thought I had downloaded the important drivers for the system such as the graphics card, touchpad, network adapter etc.

Unfortunately, I didn’t seem to have downloaded all of the drivers. I eventually figured out what the problem was and didn’t get the error in Device Manager anymore. In this article, I’ll show you how to fix the driver issue in Windows.

Even though I installed most drivers, there were a couple that I didn’t install thinking that they were not necessary. The Base System Device is usually related to one of three pieces of hardware: the chipset, bluetooth or the SD card reader.

Go to the manufacturer website and find the drivers for your specific model. Make sure to download the chipset drivers and install the latest version. Also, find the the drivers for bluetooth and SD card reader, if you have those on your system.

Also, you can figure out what driver is needed by finding the hardware IDs for any device that shows up as unknown or with a question mark in Device Manager. To do this, double-click on the Base System Device and choose Details. Then click on Hardware IDs from the drop down.

It should look something like this:

PCIVEN_15AD&DEV_0405&SUBSYS_040515AD&REV_00
PCIVEN_15AD&DEV_0405&SUBSYS_040515AD
PCIVEN_15AD&DEV_0405&CC_030000
PCIVEN_15AD&DEV_0405&CC_0300

Now you can go to a site like PCIDatabase and type in the vendor ID and device ID. Where are those numbers? The part after VEN_ is the Vendor ID. In the first line above, it’s 15AD. The device ID is the part after DEV_, which is 0405 in the above case.

Now if I type those IDs into the respective Vendor search and Device search boxes on the PCIDatabase website, I’ll get the following results:

As you can see above, it’s a NVIDIA graphics card running under VMware. Since I have installed Windows 7 in a virtual machine, VMware is the the vendor. The device is the graphics card installed on my host PC. Pretty neat huh? The next time you see a big question mark or Unknown Device in Device Manager, you can now figure out exactly what piece of hardware is missing a driver.

Now just go through all the Base System Device listed there and figure out exactly which driver you need to download. If you have any questions, feel free to post a comment. Enjoy!

Issue : When I booted my computer up and typed in my username and password it gave me an error. It said that I needed a smart card to login. I dont use smart cards.I retyped the password thinking I might have entered incorrect password but it gave me the same error.I tried to login with another user account but again the same error.So I think I accidentally enabled this policy in registry.

Solution: This happened because I accidentally configured my Windows system to allow only smart card logon.Smart Cards are a portable, secure and a tamper-proof  way to provide security solutions for tasks such as client authentication, logging on to domains, code signing, and securing e-mail. You can use smart cards to also log on to your Windows 7 / 8 computers.

You may find the same error or logon option sometimes with Remote Desktop Connection.Here are some picture I want to share with you that you may see when encounter any such problems.

Smart Card Login

Smart Card Login

Smart Card Login

Smart Card Login

Disable Force Smart Card Login

If a problem prevents you from logging in to Windows with a smart card, start your computer in safe mode and disable this security feature.Smart Card Login option will not be available in Safe Mode. Whether you log in with a physical or virtual smart card, Windows stores your settings in the Windows NT Registry. If youre able to log in to Windows, you can disable smart card login for future sessions by editing your local group policies. Disabling the Smart Card Plug and Play service removes the option to insert a smart card when logging in.

1. First of all log in to Windows in Safe mode, this can be achieved by pressing F8 key while the computer is booting.

2. From the options available, pick Safe mode with networking and hit Enter. Then log on to the computer by using administrative credentials.

3. Press Windows Key + R combination, type Regedt32.exe in the Run dialog box and hit Enter to open the Registry Editor.

4. Navigate to the following key:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionPoliciesSystem

Disable Smart Card Login

Disable Smart Card Login

5. In the right pane of this location, you’ll find a DWORD named scforceoption. Since your computer allows Smart Card logon only, the DWORD shows the Value data equals to 1.

6. In the Value Data field, change the current value of “1” to “0” and click “OK.”

7. Close Registry Editor and restart your computer in normal mode. The login screen prompts you to enter your username and password rather than insert a smart card.


Note: - Do note that this settings will be reset back to the default setting which is Value ‘1’, after 90 minutes, when the next Group Policy refresh takes place.


Disable Smart Card Plug and Play Service

1. Press Windows Key + R combination, type gpedit.msc in the Run dialog box and hit Enter to open the Local Group Policy Editor.

2. Navigate to "Computer Configuration>Policies>Windows Settings>Local Policies>Security Options>Interactive logon: Require smart cards"
3. Right-click “Interactive logon: Require smart cards” and select “Edit.” In the Properties dialog, select “Disabled” to turn off this service

Disable Smart Card Login

4. Now navigate to "Computer Configuration>Administrative Templates>Windows Components>Smart Card>Turn On Smart Card Plug and Play Service"

Disable Smart Card Login

5. Right-click “Turn On Smart Card Plug and Play Service” and select “Edit.” In the Properties dialog, select “Disabled” to turn off this service and remove the smart card option from the login screen. Click “Apply” and “OK” to save your changes.



For detailed information on Smart Card policy implementation read the following articles.

https://technet.microsoft.com/en-us/library/ff404287(v=ws.10).aspx
https://technet.microsoft.com/en-us/library/cc757921(WS.10).aspx


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ALSO PLEASE VISIT THIS VIDEOS AND SEE IF YOU FIND SOMETHING NEED:

Windows Registry Tools can be downloaded here: 

How to kip your PC Private by deleting DATA Permanently 

http://askpctech.blogspot.com/2016/03/kip-your-pc-privat.html

This tutorial is made up on request several  users, is well is fallowing video:

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12)Upon start up only wallpaper shows FIX

13)Here is video on Windows 7 & 8 - Black screen with cursor at start-up FIX 

You can also open Task Manager by pressing Ctrl+Shift+Esc.

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Upon start up only wallpaper shows no icons

CTL+ALT+DEL then click file and new task. then type explorer.exe and press ok

Best Greenhouse system 2015 

Issue: When you try to turn the Time Machine Backup on, onto an external hard drive or you want to take the backup you get the following error message

"The backup disk does not have ownership enabled.  You must have ownership enabled to use this disk for Time Machine backups.  Open Time Machine preferences to select a different backup disk."


When you try to copy the backup file Backups.backupdb onto the newly erased external hard drive you get the following error message

"The backup cant be copied because the backup volume doesnt have ownership enabled."

This article applies to, and works the same on, all versions of the Mac OS from 10.6 through 10.11.


Solution:To solve this problem you really need to understand what this Ownership on a hard drive is?.

If you use an external drive to share music, photos or other files, then you should know about the "Ignore ownership on this volume" option. This allows you to have multiple users on the same Mac, or multiple users across several Macs to have the same access to files and folders regardless of which user put them there.Every users are treated as the owner of the file on that external hard drive. It is simply like sharing the data on an external drive.This means that file owners and groups will be ignored on this volume. This is very convenient for external drives being shared between machines with different user accounts on them.

But for a Boot / Backup volume it is not a good idea as you would like to retain the owner/group information because applications, and the boot disk, require permissions and ownership to be accurate and enabled to function properly(A permission allows one application to “talk” with another application.) This is what we repair using Disk Utility to “Repair Permissions.”

So if you are trying to take the backup or copying the Time Machine backup file to an external hard drive you have to make sure the "Ignore ownership on this volume" is unchecked i.e. ownership is enabled.

If ownership is not enabled you could use either of the following methods to enable ownership.


Method 1. Enable Ownership from Finder

1. Select the drive you want to turn the Ownership on.
2. Press Command+I (or choose File > Get Info).

3. Twirl open the Sharing and Permissions triangle and look toward the bottom.
4. If necessary, click the lock icon , then enter an administrator name and password.




4. Check the box saying “Ignore ownership on this volume”


Method 2. Enable Ownership from Finder

1. Open Terminal.
2. Type the command diskutil list to know the disk identifier.

$ diskutil list
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            Disk Image             *41.0 MB    disk2

3. Then type the command "sudo diskutil enableOwnership diskidentifier" and then type the administrator password when prompted.

$ sudo diskutil enableOwnership disk2
File system user/group ownership enabled

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What is Explorer.exe?

The process Explorer.exe is a commonly used process in all Microsoft Windows Operating Systems known as Windows Explorer. Windows Explorer is basically used to browse files and folders in Microsoft Windows. Explorer.exe provides a graphical user interface for browsing file systems. It is responsible to displays the user interface on the display screen that enables the user to utilize the computer’s functions. It also referred as Windows GUI shell or simply Explorer.So in short,Whatever graphics you see on the desktop is a part of Explorer.exe, be it the taskbar,Start Button, Start Menu,desktop icons,desktop background or folder or computer.If you close the Explorer.exe process from the task managers processes your computers desktop screen would be blank as shown in the picture below, all the opened applications stay up, hovering over an empty blue rectangular box and you can only navigate between them using Alt+Tab but you cant do anything else.Cant start anything else, cant get to your files, etc

The file explorer.exe is located in folder C: Windows or sometimes in a subfolder of C:. It has a known file size ranging from 1,0321,292 bytes to 3,194,368 bytes.It is a trusted Microsoft application that records user inputs.

Duplicates of the explorer.exe file has been a constant target for different malware which were usually located in the system32 subdirectory of the Windows folder. These malicious files are usually added to the Windows start up by certain spywares and should be removed immediately from the system. These illigitimate explorer.exe files are not needed by the Windows system and usually causes harms to your system if not attended immediately.

(Source:http://www.paretologic.com/resources/paretolabs/exe/explorer_exe.aspx).


Explorer.exe Issue: 

1. After logging into the windows it is showing a black screen without by icons,task bar or anything but a mouse cursor.

2. I start my PC after use login window where it should show the start screen my PC just doesnt show anything except for a mouse cursor.

3. Everytime I boot up Windows 8 Pro x64 installed on my laptop , explorer.exe process doesnt launch automatically as it should.Thus, all I get is a black screen, and I need to manually start it on task manager (run a new task).

4. My computer does not show desktop or my desktop is missing.

5. Windows explorer does not start automatically or an infected explorer.exe launch everytime I restart my computer.

5. When I restart my laptop it does not go to desktop, every time I have to end the already running faulty explorer.exe and start the new explorer.exe through new task(from task manager).I also put explorer.exe in startup option still I am facing the same issue.


Solution Applies to the following operating systems:

• Windows 8.1
• Windows 8
• Windows 7
• Windows Vista

Solution: 

Explorer.exe or windows explorer is a shell windows operating system uses.Windows has two shell that can run command line user interface shell- cmd.exe and Graphical user interface shell- explorer.exe.

This issue occur when the explorer.exe is corrupt or it is certainly possible the problem could be due to some virus infection too, which blocks the explorer.exe from running.
In other cases, explorer.exe which loads at startup is a virus, spyware, trojan or worm.You could Check this with Security Task Manager.

Restart your computer into Safe Mode if everything loads correctly, the problem may be rooted in a virus or other malware, and not a corrupt file. Next, check the location of your explorer.exe file. If the file is located anywhere other than "C:Windows," your computer may be infected. If the problem is consistent no matter what you try and explorer.exe is in its correct place, the problem is likely rooted in the explorer.exe file itself, and can be repaired using system repair utilities.

I searched through the internet and tried all the troubleshooting steps mentioned on different website but that did not fix my problem but one real solution which is just two step registry key deletion made me happy which solved this issue.

Here is the step you need to perform to fix this.

1. Open your start menu, then type "regedit" to open the Registry Editor.

2. Navigate to the following key: "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionImage File Execution.options".

3. If you see either "explorer.exe," "iexplorer.exe" or both listed under this key, delete them -- they should not be there. Close the editor, then restart your computer. Be sure to back up your registry before trying this step, and if any problems occur, access Registry Editor in safe mode and load your saved file.

Registry Path to remove explorer.exe Virus

My computer was fixed after I restarted it post doing above mentioned steps.

But if the above mentioned steps does not fix your problems try these below mentioned steps.


Method 2.

Theres a registry key that tells Windows what "shell" to load on startup.Check to see if it is loading the correct explorer.exe.If it does not then correct the path as following

[for the current user]
HKEY_CURRENT_USER Software Microsoft Windows NT CurrentVersion Winlogon

"Shell" (REG_SZ) = "explorer.exe" or "C:windowsexplorer.exe"


[for all users]
HKEY_LOCAL_MACHINE Software Microsoft Windows NT CurrentVersion Winlogon

"Shell" (REG_SZ) = "explorer.exe" or "C:windowsexplorer.exe"


Method 3.

1. Rename your explorer.exe to explorer1.exe
2. change the value "Explorer.exe" in regedit. HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon to "Explorer1.exe"
3. Run "Explorer1.exe"
4. Delete HKLMSOFTWAREMicrosoftWindows NTCurrentVersionWinLogonNotifyigfxcui.
5. Delete file C:Program FilesMicrosoft Commonsvchost.exe.





Run Virus Scan

After making changes in registry and deleting the infected files run a full system virus scan on your computer. Quarantine or delete any viruses or infected files it may find, then restart your computer normally. Quarantined files are harmless, so you should not need to delete them to figure out if removing the virus fixed the problem. If you need a program to scan your computer with, try Avira, Kaspersky or Malwarebytes.You can download all these from the download tab of this website.I would recommend to Run a scan with Malwarebyte,AdwCleaner and Hitmanpro.

After completing the scan and cleaning.Ran ccleaner and delete all the schedules task if there is any and remove unwanted startup items from msconfig or ccleaner.And run registry fix to know how to use Ccleaner click here.


Run Chkdsk

Chkdsk (check disk) is a utility that checks the integrity of your file systems to make sure that all necessary functions are running correctly. It will sometimes run automatically after an error or improper shutdown, but you can run it manually at any time. open "Computer" - if you cant see your Start menu, press the "Windows" and "E" keys simultaneously -- right click on your hard drive and click "Properties." Click the "Tools" tab, then click "Check" under the "Error-checking" category. This process will take some time to complete, and in certain cases may ask you to perform the disk check when your computer restarts. Let the scan complete, and if any errors appear, chkdsk will try to repair them.

you can also run this utility using the command line.To do this type the command chkdsk /f /r.

Repair Windows Files

If explorer.exe does not load, and may not load even when you try to start it directly, it could be corrupt. This can sometimes be fixed by running the system file checker that attempts to repair important Windows files. Click on the start button and type CMD in the search box.Once the cmd.exe is shown in the search result at the top, right click on cmd.exe and select run as administrator and click continue if user account control settings ask the confirmation.Now type "sfc /scannow" and press "Enter." This process may also take some time, but when it is complete, it will display whether it found any corrupt files, what they were, and whether they were able to be repaired or not. After the scan, restart your computer and attempt to use it normally.

Conclusion: If you are also facing this issue that your explorer.exe does not start/launch automatically it could either be corrupted,infected or the computer has a virus/malware infection so begin your troubleshooting with the steps mentioned above and if that does not fix the explorer.exe issue then update your Antivirus database and run the scan for the whole computer and if nothing works create a new user accounts as most of the time these type of virus/malware target a users profile.


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