When spring arrives, we all want to spend as much time outdoors as possible When summer is just around the corner, we look forward to going to the beach, swimming, and participating in a wide variety of outdoor activities
When spring arrives, we all want to spend as much time outdoors as possible. When summer is just around the corner, we look forward to going to the beach, swimming, and participating in a wide variety of outdoor activities. The result of spending so much time outdoors is that we are increasingly exposed to the sun''s UV rays. This exposure can cause serious harm to our skin if we do not protect it.
It is essential to protect our skin starting at an early age because overexposure to harmful UV rays can take years to develop into skin cancer cells. Ultraviolet has a high frequency and therefore more energy which can be more hazardous. The more energetic a ray of light is, the more that light will break the skin molecules apart thereby damaging the cells. When these rays break through to the nuclei of skin cells and damage DNA, the likelihood of the development skin cancer increases.
There are three types of ultraviolet light as it relates to protecting the skin. They are UVA, UVB, and UVC. Although UVC is the most damaging of the rays, it is totally blocked out by the Earth''s atmosphere. UVB is the wavelength that causes the most sun damage on skin. UVB rays are more likely than UVA rays to cause sunburn, but UVA rays penetrate deeper into the skin. Scientists now think that UVA radiation may increase skin damage that can lead to skin cancer and cause premature aging.
UV rays can penetrate the clouds and are at their highest during late spring and early summer. They are also at their most dangerous from mid-morning to late afternoon, and will cause serious skin damage. The sun and the UV rays can damage your skin within fifteen minutes of exposure. To protect your skin from UV damage, you should apply a sunscreen lotion before you are exposed to the sun.
Sunscreens lotions work by deflecting the UV sunlight or dispersing it. It is recommended that you use at least a 15 SPF (Sun Protective Factor) sunscreen. Your eyes can be affected by the UV rays too. You should protect your eyes with sunglasses that indicate that they block UV rays. Reapply sunscreen lotion often. You should wear a waterproof sunscreen. As well, your lips have very fragile skin and can be seriously damaged by exposure to UV rays. You should apply a lip balm that has a sunscreen in it.
Your skin is the most exposed organ of the body. UV rays can do serious damage to the skin if left unprotected. For best protection, acquire a sunscreen product that is resistant to both UVA and UVB rays. As well, wear a hat that has a wide brim to provide shade for your face. If you do see an unusual change in your skin, see your doctor. Because our skin is valuable to our physical state of well-being, we need to take good care of it.
Monday, March 22, 2010
Tuesday, March 16, 2010
Windows Desktop Users Common problems with solutions
1. Whenever I double-click on any drive/folder in My Computer, a Search window opens.
Sol: Open regedit and goto 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.
2. Whenever I double-click on any drive in My Computer, 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 drivers and if you get them in root of any drive (e.g. in C:\, D:\ and so on), delete them.
3. 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. Most of the times it comes from mobile memory cards. Scan with a good anti-virus and remove the virus. Also download HijackThis and scan your system with it in Safe Mode, then fix following entries:
C:\WINDOWS\system32\SSVICHOSST.exe
F2 – REG:system.ini: Shell=Explorer.exe SSVICHOSST.exe
O4 – HKCU\.\Run: [Yahoo Messengger] C:\WINDOWS\system32\SSVICHOSST.exe
O7 – HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1
4. Whenever I start my computer, My Documents/My Computer opens automatically at windows startup.
Sol: Open regedit and goto:
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 goto:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
In right-side pane, change value of “PersistBrowsers” to 0
Now log off windows and it should solve the problem
5. 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.
6. When I start my computer, I get error message:
Windows could not start because the following file is missing or corrupt:
\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
7. 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
8. Whenever I start my computer, Scandisk starts running even I proper shut down the PC last time.
Sol: Do as following:
A. Open regedit and goto:
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:
9. I can’t see Hidden files/folders in my computer. Even I enable the option “Show hidden files/folders” in “Tools -> Folder Options”, its automtically disabled again.
Sol: Open regedit and goto:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
In right-side pane, change value of “Hidden” to as following:
1 – To show hidden files
2 – To not show hidden files
If it doesnt work, then scan your computer with an anti-virus software
10. 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. Goto “%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 goto “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 goto “I386″ folder and give following command:
expand mspaint.ex_ mspaint.exe
expand notepad.ex_ notepad.exe
etc.
Now u can copy the file to “%windir%\System32″ folder.
C. Give following command in Command Prompt:
sfc /SCANNOW
It’ll automatically restore the files.
Sol: Open regedit and goto 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.
2. Whenever I double-click on any drive in My Computer, 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 drivers and if you get them in root of any drive (e.g. in C:\, D:\ and so on), delete them.
3. 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. Most of the times it comes from mobile memory cards. Scan with a good anti-virus and remove the virus. Also download HijackThis and scan your system with it in Safe Mode, then fix following entries:
C:\WINDOWS\system32\SSVICHOSST.exe
F2 – REG:system.ini: Shell=Explorer.exe SSVICHOSST.exe
O4 – HKCU\.\Run: [Yahoo Messengger] C:\WINDOWS\system32\SSVICHOSST.exe
O7 – HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1
4. Whenever I start my computer, My Documents/My Computer opens automatically at windows startup.
Sol: Open regedit and goto:
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 goto:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
In right-side pane, change value of “PersistBrowsers” to 0
Now log off windows and it should solve the problem
5. 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.
6. When I start my computer, I get error message:
Windows could not start because the following file is missing or corrupt:
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
7. 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
8. Whenever I start my computer, Scandisk starts running even I proper shut down the PC last time.
Sol: Do as following:
A. Open regedit and goto:
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:
9. I can’t see Hidden files/folders in my computer. Even I enable the option “Show hidden files/folders” in “Tools -> Folder Options”, its automtically disabled again.
Sol: Open regedit and goto:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
In right-side pane, change value of “Hidden” to as following:
1 – To show hidden files
2 – To not show hidden files
If it doesnt work, then scan your computer with an anti-virus software
10. 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. Goto “%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 goto “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 goto “I386″ folder and give following command:
expand mspaint.ex_ mspaint.exe
expand notepad.ex_ notepad.exe
etc.
Now u can copy the file to “%windir%\System32″ folder.
C. Give following command in Command Prompt:
sfc /SCANNOW
It’ll automatically restore the files.
How to resolve Common "Windows Installer" Problems
When you try to install/uninstall some application/s, you may get warning messages like:
"The Windows Installer Service could not be accessed"
"Windows Installer Service couldn’t be started"
"Could not start the Windows Installer service on Local Computer. Error 5: Access is denied."
The error messages usually appear after failed installation of MSI Package or Disabled "Windows Installer" service
Method 1
Unregister Windows Installer, and then reregister Windows Installer. To do this, follow these steps:
1. On the "Start" menu, click "Run:.
2. In the "Open" box, type "msiexec /unreg", and then press ENTER.
3. On the "Start" menu, click "Run".
4. In the "Open" box, type "msiexec /regserver", and then press ENTER
Method 2
Upgrade to Windows Installer version 2 or newer version. To do this, follow these steps:
1. Start Microsoft Internet Explorer, and then browse to the following Microsoft Web site:
http://msdn.microsoft.com/downloads
2. In the left pane tree menu, click "Setup and System Administration", and then click "Setup".
3. Click "Windows Installer", and then click the appropriate link for your operating system.
4. Click "Download" to download and install Windows Installer version 2 or newer version.
Method 3
Use Windows Installer CleanUp Utility to uninstall the failed product.
Description of the Windows Installer CleanUp Utility
Click here
Method 4
The Windows Installer service may disabled on the machine.
1. Go to "Start" -> "Run" , type "services.msc" and press on "Enter" button.
2. Double-click on the service named "Windows Installer".
3. Check the value in the "Startup type:" field. If it's currently set to "Disabled", then this is the
problem. Change it by selecting "Manual" from the drop-down box.
Method 5
Empty user and system "temp" folders.
1. Empty "%systemdrive%\temp" folder.
2. Empty "%systemdrive%\%windir%\temp" folder.
3. Empty "%systemdrive%\Documents and Settings\%username%\Local Settings\Temp".
Method 6
Enable Windows Installer Logging and call to PSS support.
How to Enable Windows Installer Logging
http://support.microsoft.com/default.aspx?kbid=223300
How to Enable Windows Installer Logging in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;314852
"The Windows Installer Service could not be accessed"
"Windows Installer Service couldn’t be started"
"Could not start the Windows Installer service on Local Computer. Error 5: Access is denied."
The error messages usually appear after failed installation of MSI Package or Disabled "Windows Installer" service
Method 1
Unregister Windows Installer, and then reregister Windows Installer. To do this, follow these steps:
1. On the "Start" menu, click "Run:.
2. In the "Open" box, type "msiexec /unreg", and then press ENTER.
3. On the "Start" menu, click "Run".
4. In the "Open" box, type "msiexec /regserver", and then press ENTER
Method 2
Upgrade to Windows Installer version 2 or newer version. To do this, follow these steps:
1. Start Microsoft Internet Explorer, and then browse to the following Microsoft Web site:
http://msdn.microsoft.com/downloads
2. In the left pane tree menu, click "Setup and System Administration", and then click "Setup".
3. Click "Windows Installer", and then click the appropriate link for your operating system.
4. Click "Download" to download and install Windows Installer version 2 or newer version.
Method 3
Use Windows Installer CleanUp Utility to uninstall the failed product.
Description of the Windows Installer CleanUp Utility
Click here
Method 4
The Windows Installer service may disabled on the machine.
1. Go to "Start" -> "Run" , type "services.msc" and press on "Enter" button.
2. Double-click on the service named "Windows Installer".
3. Check the value in the "Startup type:" field. If it's currently set to "Disabled", then this is the
problem. Change it by selecting "Manual" from the drop-down box.
Method 5
Empty user and system "temp" folders.
1. Empty "%systemdrive%\temp" folder.
2. Empty "%systemdrive%\%windir%\temp" folder.
3. Empty "%systemdrive%\Documents and Settings\%username%\Local Settings\Temp".
Method 6
Enable Windows Installer Logging and call to PSS support.
How to Enable Windows Installer Logging
http://support.microsoft.com/default.aspx?kbid=223300
How to Enable Windows Installer Logging in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;314852
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