High CPU Usage From DNS Client

Some MS Windows installations run slowly for several minutes, particularly after start-up or resumption from power savings mode. After several minutes, CPU usage will drop and the system will run normally. This may be caused by local caching of DNS lookups, which can be disabled. There will typically be no detrimental effects.

In task manager, look for 100% CPU usage by svchost.exe. The user name is NETWORK SERVICE.

Start Button --> Run --> services.msc

Right-click on "DNS Client", and choose "Properties".
Change "Startup Type" to "Disabled".
Either restart the system, or press "Stop" button.

Recover Lost Windows System File

A virus scanner removed the MS Windows rundll32.exe file. The system still booted and would run, with many annoyances.

How to replace MS Windows \WINDOWS\system32\rundll32.exe

Error message identifying missing file:

File is missing:

Open a command prompt and run System File Checker.
Start Button --> Run --> cmd
At command prompt type: sfc /scannow

With the installation CD in the CD drive, expand the file from CD to the MS Windows installation.

File rundll32.exe has been restored, with a current time stamp.

While not necessary, set the file attributes to read only.

Google Encrypted Search

Google now supports encrypted search through the https protocol.

Those using Opera web browser can quickly change the search bar to use Google's encrypted search.
1) In the search bar (upper right hand corner), click the dropdown arrow
2) Toward the bottom of the list, click "Manage search engines..."
3) Highlight "Google" and press EDIT button

4) Press DETAILS button
5) Replace the address line with:

https://www.google.com/search?q=%s

6) Press OK
7) Press OK

On a related encryption note, mobile phone voice security has been improved to include end-to-end encryption when using Android phones.