[Help & Support] List of Common and Frequently Asked Problems with Solutions

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Before posting your problem, we advise you to go through following list containing some common and frequently asked problems with working solutions:

All Windows problems covered in this topic:

1. Task Manager/Registry Editor/Tools -> Folder Options disabled.
2. Search window opens while double-clicking on drives.
3. "Cannot find copy.exe" Error while double-clicking on drives.
4. Folder opens in a new window?
5. A sub-folder with the same name is created under parent folder.
6. My Documents/My Computer opens automatically at windows startup.
7. "NTLDR missing" Error at system startup.
8. "Hal.dll is corrupt or missing" Error at system startup.
9. "Windows\System32\config\system file missing or corrupt" Error at system startup.
10. Not able to boot into Windows 2000/XP/2003 after installing Windows 98.
11. Windows XP Boot loader related problems, like adding/removing entries.
12. ScanDisk starts running at windows startup.
13. "CMOS checksum error. Defaults loaded." Error at system startup.
14. I can't see any message in chat window of Yahoo! Messenger.
15. "Stand By" option is greyed out in shutdown dialog box and I can't use it.
16. Windows Login Screen has changed to "Classic Logon Box" automatically.
17. A strange process "ctfmon.exe" running in background.
18. How to recover lost Firefox bookmarks?
19. How to reset the corrupted windows icons?
20. How to make Desktop icons text background transparent?
21. How to get Windows XP Common tasks (Left-side pane in explorer) back?
22. "Copy To"/"Move To" dialog box opens automatically while right-clicking on Start -> Open.
23. Can't set "Show Hidden files/folders" option in "Tools -> Folder Options".
24. Accidentally deleted "mspaint.exe"/"notepad.exe"/etc. file, how to get it back?
25. Thumbnail view is not working in Windows Explorer.
26. Search companion window opens blank in Windows XP Search.

PS: If you don't see your problem listed above, check out our exclusive "Troubleshooting" section which should contain a working solution for your problem.

And following are solutions to troubleshoot and fix all above mentioned PC problems:

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Q. 1. In my windows Task Manager / Registry Editor / Tools -> Folder Options has been disabled. I'm getting warning message that "It has been disabled by Administrator". How can I enable it again?

Sol: Please visit following articles:

How to Fix "Task Manager has been Disabled by Your Administrator"?

How to Enable Tools -> Folder Options and Registry Editor in Windows

If any other Windows component like RUN, Desktop Properties, System Properties, etc has been disabled, then you can check following link:

List of All Kinds of Restrictions for Windows 2000, XP, Server 2003, Vista, Server 2008 and 7

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Q. 2. Whenever I double-click on any drive/folder in My Computer, a Search window opens.

Sol: Type regedit in RUN dialog box and press Enter. Now go to following keys one by one:

HKEY_CLASSES_ROOT\Directory\shell
HKEY_CLASSES_ROOT\Drive\shell

In right-side pane, delete the "Default" key. If it doesnt work then delete the key "find" under both.

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Q. 3. Whenever I double-click on any drive in My Computer, "Open with" dialog box opens OR I get following error message:

Cannot find copy.exe. Make sure you have typed the name correctly and then try again.

Sol: Enable "Show hidden files" option in "Tools -> Folder Options" and then search for "Autorun.inf" file in all drives and if you get them in root of any drive (e.g. in C:\, D:\ and so on), delete them.

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Q. 4. Whenever I double-click on any folder in My Computer, it opens in a new window even I have selected the option "Always open folders in same window" in "Tools -> Folder Options".

Sol: Download following zip file, extract it and then run .REG file and confirm the action:

Download Link

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Q. 5. Whenever I open a folder, another folder with the same name is created under it.

Sol: Your system is infected by a variant of Indonesian virus called Brontok/Rontokbro. It creates a sub-folder in a folder with same name. Please follow the instructions given in following topic:

[Virus Removal] Is Your Computer Infected with Virus, Spyware, Adware or Trojan?

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Q. 6. Whenever I start my computer, My Documents/My Computer opens automatically at windows startup.

Sol: Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

In right-side pane, change value of "Userinit" to:

C:\WINDOWS\system32\userinit.exe,

NOTE: If you have windows installed in other drives, then change C:\ to that drive label.

Now go to:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\Advanced

In right-side pane, change value of "PersistBrowsers" to 0

Now log off windows and it should solve the problem.

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Q. 7. When I start my computer, I get error message:

NTLDR is missing

or

Boot: Couldn't find NTLDR

Sol: Boot using Windows Setup CD and enter into "Recovery Console" by pressing "R". Now Log into windows installation and enter admin password. Now give following commands at prompt:

copy x:\i386\ntldr c:\
copy x:\i386\ntdetect.com c:\

Where "x" is your CD drive, change it acc. to your system.

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Q. 8. When I start my computer, I get error message:

Windows could not start because the following file is missing or corrupt:

<Windows root>\system32\hal.dll.

Please re-install a copy of the above file.

Sol: Boot using Windows Setup CD and enter into "Recovery Console" by pressing "R". Now Log into windows installation and enter admin password. Now give following commands at prompt:

Attrib -H -R -S C:\Boot.ini
Del C:\Boot.ini
BootCfg /Rebuild
Fixboot

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Q. 9. When I start my computer, I get error message:

"Windows\System32\config\system" file missing or corrupt.

Sol: Boot using Windows Setup CD and enter into "Recovery Console" by pressing "R". Now Log into windows installation and enter admin password. Now give following commands at prompt:

copy %windir%\Repair\system %windir%\System32\Config

If it doesnt work, then again boot into "Recovery Console" and give following commands:

fixmbr
bootcfg /scan
bootcfg /rebuild
fixboot

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Q. 10. I have Windows 2000/XP/2003 installed in my system and yesterday I installed Windows 98 over it, after that I'm not able to boot into Windows 2000/XP.2003. I'm not getting option to select the OS.

Sol: Windows 98 has overwritten the boot loader. Boot using Windows Setup CD and enter into "Recovery Console" by pressing "R". Now Log into windows installation and enter admin password. Now give following commands at prompt:

fixmbr
bootcfg /scan
bootcfg /rebuild
fixboot

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Q. 11. When I start my system, I'm getting 2 entries for windows XP in the boot loader. How can I remove the duplicate entry?

OR

How can I change the default OS in windows boot loader?

OR

How can I change the entry labels in windows boot loader?

OR

How can I change the boot loader time? Its set to 30 seconds and I want to change it.

Sol: There are several way. You can follow any of following:

A. Type "sysdm.cpl" in RUN dialog box and press <Enter>. Now go to "Advanced" tab and click on "Settings" button in "Startup & Recovery" section. Now click on "Edit" button and then you can edit the boot loader time, labels, etc.

B. Type "msconfig" in RUN dialog box and go to "Boot.ini" tab and then you can change the desired thing. If you want to remove the corrupt/non-working entries, then click on "Check all boot paths" button.

C. Enable "Show hidden files/folders" and disable "Hide protected system files" options in "Tools -> Folder Options". Now open C:\ drive and remove the READ-ONLY attribute of "BOOT.INI" file from its Properties. Now open this file and then you can make your desired changes.

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Q. 12. Whenever I start my computer, Scandisk starts running even I proper shut down the PC last time.

Sol: Do as following:

A. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager

In right-side pane, change the value of BootExecute to:

autocheck autochk *

B. If the above trick doesnt help then give following commands in Command Prompt:

chkntfs /x drive_name

for e.g., if ScanDisk runs automatically for C: and D: drives, then give following commands one by one:

chkntfs /x C:
chkntfs /x D:

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Q. 13. When I start my computer, I get following error message:

CMOS checksum error, defaults loaded.

Sol: Open your computer cabinet and look for a small coin-sized battery attached in motherboard. Replace it with a new one.

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Q. 14. In Yahoo! Messenger, whenever I send a message or get a message I can't see the contents in chat window. All I can see is a blank window.

Sol: Please download Windows Script using following links:

If you are using Windows Vista or 7, it already comes with Windows Script pre-installed. You just need to provide following command in RUN or Command Prompt:

regsvr32 vbscript.dll

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Q. 15. I re-installed my windows and now "Stand By" option is greyed out in shutdown dialog box and I can't use it.

Sol: Install VGA drivers from your motherboard CD and the option will be enabled. If you don't have the motherboard CD, then go to the manufacturer website and download the required drivers.

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Q. 16. My Windows Login Screen has changed to "Classic Logon Box". I want the new Welcome Screen back.

Sol: Please visit following article:

How to Enable / Disable New XP Style Welcome Screen, Log Off and Shut Down Dialog Box in Windows XP?

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Q. 17. A strange process "ctfmon.exe" always runs in background and if I click on "End Process" button, it restarts automatically.

Sol: Open Control Panel and go to Add/Remove Programs list. Now click on the Microsoft Office entry and then click on "Change" button. Now select "Add/Remove Features" and click on "Next". Now expand "Office Shared Features" and click on "Alternative User Input" and then select "Not Available" and finally click on Update. It'll permanently remove that ctfmon.exe and your problem will be solved.

You can also use 3rd party utility "CTFMON-Remover" to get rid of ctfmon.exe easily and quickly:

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Q. 18. I just noticed that all my Firefox Bookmarks have gone. The bookmarks list is empty. How can I get them back?

Sol: Type "%appdata%\Mozilla\Firefox\Profiles" in RUN dialog box and then open the "xxxx.default" folder (where xxxx will be random numbers and characters). Now open "bookmarkbackups" folder and you'll get your bookmarks there. Now you can import them in Firefox again.

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Q. 19. My Windows is showing some wrong icons of files. How can I reset the corrupted icons?

Sol: You can use any of following methods:

A. Download TweakUI from here and then click on "Repair Icons" in "Repair" section.

B. Open My Computer and go to:

C:\Documents and Settings\User_Name\Local Settings\Application Data

Replace C:\ with your system drive and "user_Name" with your username.

Now there'll be a HIDDEN file "iconcache.db", delete it and restart your system.

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Q. 20. I'm using Windows XP and the desktop icons suddenly started showing an ugly background rectangle behind the text. How can I make the text transparent?

Sol: Type "sysdm.cpl" in RUN dialog box and press <Enter>. Now go to "Advanced" tab, click on "Setting" button in "Performance" section and enable the option "Use drop shadows for icon labels on the desktop".

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Q. 21. I'm using Windows XP and suddenly the Common tasks stopped showing in left-side pane.

Sol: Open "Tools -> Folder Options" and enable the option "Show Common Tasks in folders".

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Q. 22. Whenever I right-click on Start button and select "Open", a "Copy To"/"Move To" dialog box opens automatically.

Sol: Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ ContextMenuHandlers\

Now under this key, delete following 2 keys:

Copy To
Move To

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Q. 23. I can't see Hidden files/folders in my computer. Even I enable the option "Show hidden files/folders" in "Tools -> Folder Options", its automatically disabled again.

Sol: Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\explorer\Advanced\Folder\Hidden

Under this key, you'll see 2 more keys "NOHIDDEN" and "SHOWALL". Make sure that the values of "CheckedValue" and "DefaultValue" in right-side pane are "2" and "2" for "NOHIDDEN" and "1" and "2" for "SHOWALL" respectively. If its not so, then change them and you'll be able to enable/disable these options in "Folder Options".

You can also alter Hide/unhide settings using registry as following:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\Advanced

In right-side pane, change value of "Hidden" to:

1 - To show hidden files
2 - To not show hidden files

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Q. 24. I accidentally deleted my "mspaint.exe"/"notepad.exe"/etc. file, how can I get it back?

Sol: You can use any of following methods:

A. Go to "%windir%\System32\DLLCache" folder and look for the file, if its there then copy it to "%windir%\System32\" folder.

B. Insert your Windows Setup CD and go to "I386" folder. Now look for the same file, it'll present there but the last letter of extension will be "_". e.g., u'll get "mspaint.ex_"/"notepad.ex_"/etc. Now open Command Prompt and go to "I386" folder and give following command:

expand mspaint.ex_ mspaint.exe
expand notepad.ex_ notepad.exe

etc.

Now you can copy the file to "%windir%\System32" folder.

C. Give following command in Command Prompt:

sfc /SCANNOW

It'll automatically restore the files.

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Q. 25. Whenever I set "Thumbnail" view in Windows Explorer, the files are not shown as thumbnails.

Sol: Please visit following article:

[FIX] Windows Explorer Doesn’t Show Thumbnail Previews in Windows Vista and 7

Windows XP users can also try following commands in RUN dialog box:

regsvr32 shdocvw.dll
regsvr32 thumbvw.dll
regsvr32 shimgvw.dll

Restart your computer and your problem will be solved.

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Q. 26. Whenever I open Windows Search in Windows XP, the search companion window opens blank.

Sol 1: Open RUN dialog box and provide following commands one by one:

regsvr32 /i %windir%\srchasst\srchui.dll
regsvr32 %windir%\system32\jscript.dll

Restart your computer and your problem will be solved.

Sol 2: Type %systemroot%\inf command in RUN dialog box and press Enter. It'll open a new window. Look for a file "Srchasst.inf". Right-click on it and select "Install" option.

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NOTE: Following are some other troubleshooting articles taken from our "Troubleshooting" section to help you in fixing various other common PC problems:

PS: If you still can't find your problem mentioned above, check out our exclusive "Troubleshooting" section which would definitely provide you a working solution for your problem.

Other similar articles that may interest you:





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