Question about Microsoft Windows Vista Home Basic Edition

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Why sfc scan performs only 77%?

Sfc scan performs only 77% instead of 100%.An error message shows after completed 77% i.e. "windows resorce protection could not perform the requested operation".

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When you start sfc scan because operating system having problem and its try to fix but some how its not able to fix using this command so do one thing please repair os

Posted on May 12, 2010

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RES SIR, PLESE GIVE ME THE SOLUTION ABOUT ' WINDOW FILE PROTECTION MESSAGE' i.e. fills that are required for windows are replaced by unrecognized versions.To mentain system stability windows must restore...


click start menu, then run and type regedit.exe click ok

the look for this registry key

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
and find the value SfcScan

right click over SfcScan and click Modify

change current value to 0 and click ok

restart your computer and that will take care of the issue.


The SfcScan value in the following registry key has three possible settings:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WinlogonThe settings for the SfcScan value are:
  • 0x0 = do not scan protected files after restart. (Default value)
  • 0x1 = scan all protected files after every restart (set if sfc /scanboot is run).
  • 0x2 = scan all protected files one time after a restart (set if sfc /scanonce is run).

Mar 31, 2011 | Microsoft Windows XP Professional With...

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Purchased a new ThinkCenter desktop computer and my Logitech X-230 speakeers will not work with it. Help! Ken


Probably your problem is your PC audio device not your new speakers.

First verify you see a small sound icon sound3.gif or sound.jpg in the Systray (generally at the bottom right hand corner of your screen). If this icon is missing follow the below section.
Windows XP

  1. Open the Control panel
  2. Open the "Sounds and Audio Devices" icon.
  3. Verify the "Place volume icon in the taskbar" checkbox is checked. If this option is not available or is grayed out, skip to the next section of this document.
  4. If you were able to check this box, click ok and close out of this window and the Control Panel.
  5. Double-click the sound icon in the Systray and verify that all the sound volumes are mid-way or higher.
Also looks like there are some corrupt system files on the computer I would suggest that you run SFC scan which would scan for corrupt system files on the computer and replace them.

Steps to perform SFC scan:
1. Click the Start button
2. From the Start Menu, Click All programs followed by Accessories
3. In the Accessories menu, Right Click on the Command Prompt option
4. From the drop down menu that appears, Click on the 'Run as administrator' option
5. If you have the User Account Control (UAC) enabled you will be asked for authorization prior to the command prompt opening. You may simply need to press the Continue button if you are the administrator or insert the administrator password etc.
6. In the Command Prompt window, type: sfc /scannow and then press Enter
7. A message will appear stating that 'the system scan will begin'
8. Be patient because the scan may take some time
9. If any files require replacing SFC will replace them. You may be asked to insert your Vista DVD for this process to continue
10. If everything is okay you should, after the scan, see the following message "Windows resource protection did not find any integrity violations"
11. After the scan has completed, Close the command prompt window restart the computer and check.
The scan may take some time, so be patient. Windows will repair any corrupted or missing files that it finds. If information from the installation CD is needed to repair the problem, you may be prompted to insert your Windows Vista / 7 installation disk.

Dec 01, 2010 | Logitech X-230 Computer Speakers

1 Answer

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


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

Sep 11, 2010 | Computers & Internet

1 Answer

RAN RECOVERY DISK AND NOW CAN'T GET ON LINE


The suspicion of possible errors in the 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 is 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

you should find the windows cd and put itin the cd player on the PC, if you have some corrupted system files so the process will bring it from cd to the computer

Sep 09, 2010 | HP Computers & Internet

3 Answers

Down loaded msn explorer 8 pc will not start up TMGR missing


The "TMGR" is a Windows Operating System component file.
This error might occur if the TMGR file is corrupted or missing.
However, as this is a Operating System Component file, you may resolve the issue by performing the below steps.
First, you may try performing the SFC Scan.
Performing the SFC Scan will automatically fix any damaged files or any errors in the Registry.
Steps to initiate the SFC Scan:
1) Open the RUN command window.
2) In the RUN command window, type "cmd" and press Enter.
3) In the Command prompt, type cd
4) Then. type cd Windows and press Enter.
5) Then type sfc /scannow and press Enter.
6) This will start the SFC Scan process.
The Computer might also ask for the Windows Operating System Disc.
Peforming the SFC Scan should resolve the issue with the TMGR file.
If the issue still persists, initiate the Disc checking process.
For Windows XP:
support.microsoft.com/kb/315265
For Windows Vista:
http://windows.microsoft.com/en-US/windows-vista/Check-your-hard-disk-for-errors
For Windows 7:
http://windows.microsoft.com/en-US/windows-vista/Check-your-hard-disk-for-errors

Jul 05, 2010 | Acer Aspire One PC Notebook

1 Answer

When I tried to download javas new update it sent me a message saying windows installer is not opeating properly. I'm running Vista home basic. Can you help


Try to ensure that Windows Installer service is running, or force start it. 1.. Open Run, and type in services.msc then press Enter. Alternatively, go
to Control Panel -> Administrator Tools -> Services.
2.. Locate Windows Installer in the all install services listing.
3.. Verify that the Status is Started. If the Status column is blank,
right click on Windows Installer and select Start.
4.. If you get error trying to force start the Windows Installer service,
try to change the Startup Type to Automatic (default is Manual), and then
restart the computer.

I would suggest you to run SFC scan which would scan for corrupt system files on the computer and replace them.
Steps to perform SFC scan:

1. Click the Start button
2. From the Start Menu, Click All programs followed by Accessories
3. In the Accessories menu, Right Click on the Command Prompt option
4. From the drop down menu that appears, Click on the 'Run as administrator' option
5. If you have the User Account Control (UAC) enabled you will be asked for authorization prior to the command prompt opening. You may simply need to press the Continue button if you are the administrator or insert the administrator password etc.
6. In the Command Prompt window, type: sfc /scannow and then press Enter
7. A message will appear stating that 'the system scan will begin'
8. Be patient because the scan may take some time
9. If any files require replacing SFC will replace them. You may be asked to insert your Vista DVD for this process to continue
10. If everything is okay you should, after the scan, see the following message "Windows resource protection did not find any integrity violations"
11. After the scan has completed, Close the command prompt window restart the computer and check.

Nov 09, 2009 | Microsoft Windows Vista Home Basic Edition

1 Answer

Cannot use WinXP System File Checker (SFC), RPC Server?


Are you trying this in safe mode?
Sometimes the RPC service will refuse to start. Assuming all other services are reset to their default values:

Start, run, CMD

net start (check the service again to be sure it is stopped)

net start rpcss
net start (check again)

if no joy, you need to use the XP CD to go to the Recovery Console.

From the Recovery Console type:

enable RpcSs SYSTEM_AUTO_START

reboot the machine.

"Could not start the Remote Procedure Call (RPC) Service. Error 1058" error message when you manually start the Remote Procedure Call service
http://support.microsoft.com/?kbid=838428#appliesto

Some general things to try.

See if System Restore will get you back to a restore point before your problem with Explorer.

Try Safe Mode (Do you have this problem in Safe Mode?).

Try running ChkDsk to check your drive for errors. Right-click your Drive icon/ Properties/ Tools/ Error Checking. Select both boxes.

Run the System File Checker program from the Run Box by typing.....Sfc /Scannow in it and have your XP CD handy.

HOW TO: Verify Unsigned Device Drivers in Windows XP
http://support.microsoft.com/support/kb/articles/q308/5/14.asp

If they don't work you could try repairing windows by running it over itself. You will lose all your windows updates but your files will be untouched.

How to Perform an In-Place Upgrade (Reinstallation) of Windows XP (Q315341)
http://support.microsoft.com/support/kb/articles/q315/3/41.asp

Oct 17, 2009 | Microsoft Windows XP Professional for PC

2 Answers

Side-by-side configuration error while messenger is installing


After completion of installation yahoo messenger 10 it give error that " The application fialed to initialize properly (0xc0150002)."
How i can solve this problem. Moreover i also tried other versions of yahoo i.e. 9 and 8 but they also give same error. Please anyone would like to help me.

Sep 25, 2009 | Yahoo Messenger

2 Answers

Windows Startup Error csrss.exe


Okay, we are going to try two things. If the first don't work go to the second.

1) First perform a search on your computer for the 'csrss.exe' file. If found, copy it and then paste it into your C:\windows\system32 folder.
That should do it.

2) If that don't do it or your search can't find it, then perform the following;

To scan and verify the versions of all the system files that Windows File Protection protects, use the System File Checker (Sfc.exe) tool together with the /scannow parameter. If the SFC.exe tool detects that such a file was overwritten, the SFC.exe tool retrieves the correct version of the file from the Dllcache folder or from the Windows installation source files, and then replaces the incorrect file.

To run SFC, please follow these steps:

1. Click on Start > Run command prompt
2. Type SFC /scannow, and then press ENTER

Note: You may be asked for inset OS CD.


3. After finishing SFC, you may run CHKDSK C: /R in the Run command prompt as well.

Feb 14, 2009 | Microsoft Windows XP Professional

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