Knowledge Base

Article ID: 841 - Last Modified:

Sometimes, Maestro fails to start on Windows XP, or I can't run jobs. What's the reason for this?

Note: Windows XP is no longer supported as of the 2014-3 release.

Maestro can fail and jobs can fail to run or start on Windows XP when other applications are running that have used up the available desktop heap memory. This situation can arise in particular when your browser has many tabs open, or if it has been running for an extended period.

For Maestro startup, the following error messages can be displayed:

C:\Schrodinger2009\maestro fork failed: no error [10]


ERROR: No compatible maestro installation found

Usually the problem can be alleviated by closing down or restarting the other applications.

To decrease the chance of this problem occurring, you can increase the desktop heap size. To do so, log in as administrator and edit the following registry entry:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems]
ProfileControl=Off MaxRequestThreads=16"

Change the SharedSection value (the second number of the triad) from 3072 (3MB) to a higher value.

Related Articles:

#1040: Why are some Maestro panels slow to open?

Back to Search Results

Was this information helpful?

What can we do to improve this information?

To ask a question or get help, please submit a support ticket or email us at
Knowledge Base Search

Type the words or phrases on which you would like to search, or click here to view a list of all
Knowledge Base articles