Suppose you are working in the IT Support department of a computer store. A cust

Question

Suppose you are working in the IT Support department of a computer store. A customer calls you and says “I keep getting out of memory errors. Nobody else in the family gets these errors but me; all of us share the same laptop computer. The computer is a 64-bit Windows 10 machine.” Please assume the customer has rebooted the machine and has scanned the computer for malware. Please assume the computer has all of the latest software updates installed and has all of the latest drivers installed. For full credit, please answer the following 3 questions: question 1: What is causing the problem? question 2: The easiest solution would be to install more memory. However, this may not be possible on the customer’s computer. Why? question 3: What would you tell the customer to resolve the problem? I am looking for an answer that does not require the installation of additional memory. I am looking for in-depth answers that are truly helpful to the customer. I want you to use Google to do some research on this. Please cite references. I want to know where you are getting your answers. References that are URLs should take me directly to the web page that contains the cited information.

Explanation / Answer

Out of Memory

Cause

This problem occurs because of the desktop heap limitation. If you close some windows, and then you try to open other windows, these windows may open. However, this method does not affect the desktop heap limitation.

Resolution

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

322756 How to back up and restore the registry in Windows

To have us fix this problem for you, go to the "Fix it for me" section. If you prefer to fix this problem yourself, go to the "Let me fix it myself" section.

Fix it for me

To fix this problem automatically in Vista and Windows 7, click the Fix itbutton or link. Click Runin the File Downloaddialog box, and follow the steps in the Fix it wizard.

Download

Notes

Then, go to the "Did this fix the problem?" section.

Let me fix it myself

To resolve this problem, modify the desktop heap size. To do this, follow these steps:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerSubSystems

Notes

By default, the Windows registry entry contains the following data in an x86-based version of Windows Vista.

Note By default, the second value for the SharedSection entry is 3072 in an x86-based version of Windows Vista. By default, this second value for this entry is 20480 in an x64-based version of Windows Vista.

Windows Vista SP1, 7, 8, 8.1 (32bit) / Windows Server 2008 (32bit)

Windows Vista, 7, 8, 8.1 (64bit) / Windows Server 2008, 2008 R2, 2012, 2012 R2 (64bit)

In Windows Vista and in later operating systems, memory allocations are dynamic. Therefore, there is no limitation for memory allocation. However, if you allocate too much memory to the desktop heap, negative performance may occur. This is the reason why we do not recommend that you set a value that is over 20480.

Note The desktop heap size is not affected by the physical RAM on the computer. Therefore, you cannot improve the performance by adding physical RAM.

References

For more information about similar issues, click the following article numbers to view the articles in the Microsoft Knowledge Base:

126962 "Out of Memory" error message appears when you have a large number of programs running

318677 PRB: Cannot create more child windows and other problems when you reach the maximum number of allowable child windows in an MDI application

For more information about the session memory issue in a Terminal Services environment, click the following article number to view the article in the Microsoft Knowledge Base:

840342 Applications may not run correctly in a Terminal Services environment

For more information about the desktop heap, visit the following Microsoft Web site:

http://blogs.msdn.com/ntdebugging/archive/2007/01/04/desktop-heap-overview.aspx

References are from Microsoft site.

Below is the URL : https://support.microsoft.com/en-in/help/947246/you-may-receive-an-out-of-memory-error-message-because-of-the-desktop

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