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How does a cache memory works and what are its benefits and limitations?

I am helping a friend on his paper about cache memory and would appreciate to know more details and relevant views from IT professionals. Are there any particular areas about cache memory that is worth highlighting on a study.

Hope to hear all your feedbacks. Thank you.

Category: Chat/IM

I am a frequent user of YM, MSN and QQ International but for the last three days, I cannot read all incoming messages from my chat mates. I've been encountering the same problems despite un-installing and re-installing these messengers in my netbook. I have also tried re-starting, but it doesn't work.

The only way I can read their messages is too highlighted the invisible part, press CTRL+C and paste it in my message box (please see screenshot). This is quite bizarre to me, and I can't seem to find any helpful solutions in the net. Please advise if there's a way to fix this, as its very inconvenient to copy-paste all the time.

Category: Touch-Screen

Now a day’s there's a lot of mobile phone has been produce in the market.

How you can make sure that most of the items are secure to use?

Category: PHP

I’ve been using GROUP BY in my query but I can’t count the data being grouped. Can anyone help me on how to count the number of grouped data? Thanks. 

Category: iTunes

I was wondering if I could actually add Itunes to an older version of windows. For example can I download itunes onto a windows 98 version computer or a windows 2000?


I got a problem when I tried to upgrade my Photoshop, a number of the ICC Extension config files have not been included correctly. Whenever I try to start Photoshop 7 (Upgraded from W2kServ & from Ps v_5) I get the following error message:

Could not load the NewICC Extension module because it does not work with this version of Photoshop.

Need to solve this.

Thanks in advance.

Category: Misc Hardware

Hello all,

If a program conks out, you normally found a view of a window open with some error message, along with a code number. Place the message and the number in your favorite Web search engine for a link to need an explanation, which may include a solution. This attempt causes more loss than hit, unfortunately. Gregory Braun's free Error Messages for Windows utility lists Windows error messages using their code numbers, but it's unable to help you find the source of the error. Hope I can get an advice from here. Thanks in advance.


Error Messages for Windows


Specify an MS Windows error code number in the Error Code box.
The error code you enter will be described in the text window below.

Category: Windows 64-bit

Hi experts,

I set 3.0 up and then I attempted to uninstall but got an error message saying Win64 not supported. Hence I had installed 3.01  but didn’t face any problem. I attempted uninstalling to observe if I found an error message and I got. However I didn’t face any troubles removing 2.0 versions. I got the following error message:

Win64 not supported


Win64 not supported

The author of the package you are installing did not include support for this platform.

Need your help.



Online gathering audio & video started to fail for every beta user. When I am selecting the "Use Lync (integrated audio and video)" in the link Meeting Audio window, initially the meeting starts but instantly the following error message displays

An error occurred during the online meeting

An error occurred during the online meeting When contacting your support team, reference error ID 403 (source ID 239). Troubleshooting information is available online, including best practices for using

Category: Virtualization


When I try to uninstall an AutoCAD based product, I find the following error message:

AutoCAD Map 3D 2011

Error 1402. Could not open key:
Verify that you have sufficient access to that key, or contact your support personnel.
Error 1402 during un-installation.

Need a solution.

Thanks a lot.