Hibernation problem on computers with 1 GB of RAM

Your Windows XP-based computer may not hibernate. This problem may occur if the following conditions are true:

• Your computer has one gigabyte (GB) or more of RAM.
• Your computer is running multiple processes that create a high-stress condition.

For example, you may see this symptom if you run the dir command in 500 Cmd.exe processes.

Service pack information

To resolve this problem, obtain the latest service pack for Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Update information

The following file is available for download from the Microsoft Download Center:

Download the 330909 package now.

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. Microsoft Windows XP Service Pack 2 was enhanced to reduce the occurrence of this behavior.

Note It is still possible to experience a hibernation problem after you install this fix if the memory becomes highly fragmented. The speed at which this problem manifests is dependent on the software that you run and your particular usage model.

To obtain the symbol files for this hotfix:

1. Make sure that you have the Symchk.exe utility. If you do not, the utility is available in Debugging Tools for Windows. To obtain the utility, visit the following Microsoft Web site:
   http://www.microsoft.com/whdc/devtools/debugging/default.mspx
2. Extract the hotfix to a temporary folder. To do this, use the following command:
   q330909_wxp_sp2_x86_enu.exe �x:\temp\q330909 �u
3. Call Symchk.exe to download the symbols. To do this, use the following command:
   symchk /r \temp\Q330909/* /s SRV*\temp\Q330909symbols*http://msdl.microsoft.com/download/symbols
   In this example, the symbols are located in the Temp\Q330909symbols folder.

For more information about dual-mode updates, click the following article number to view the article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base: