Some possibilities here: Windows does not save memory dump file after a crash

Crash dumps are not enabled on this computer. This is why there are no crash dumps available. It is suggested you enable crash dumps on your computer. Use the System applet in Control Panel. Click the Advanced tab, then click the Startup and Recovery button. Select one of the options from the drop-down list in the Write Debugging Information box.

As well as checking out Ztrucker's suggestion make sure the following is correct
in Startup and Recovery


Follow instructions as above to get to Startup and Recovery section.
Now make sure Small Memory Dump (64KB) is selected

Also make sure the Small Dump Directory is saved to : -

%SystemRoot%\Minidump

Jim

This is what i get now

Analysis
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Crash dump directory: C:\WINDOWS\Minidump

Crash dumps are enabled on your computer.


No valid crash dumps have been found on your computer


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Conclusion
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Crash dumps are enabled and no valid crash dumps have been found on your computer. In case your computer does experience sudden reboots it is likely these are caused by malfunctioning hardware, power failure or a thermal issue. To troubleshoot a thermal issue, check the temperature using your BIOS setup program, check for dust in CPU and motherboard fans and if your computer is portable make sure it's located on a hard surface. Otherwise it's suggested you contact the support department of the manufacturer of your system or test your system with a memory test utility for further investigation.

Other thing i notice is that the pc freeze only when i have the network cable connected, if i dissconected the pc works fine all i want.
ty

I have a same problem

Originally Posted by bacoazul

Other thing i notice is that the pc freeze only when i have the network cable connected, if i dissconected the pc works fine all i want.
ty

Ok Can you right click on My Computer and select Manage
Now go down to the section called Services and Applications and click on the + along side it.
Now Click on Services.
In the right hand pane locate service call Servers and double click on it.
In the window that opens up look for Startup Type and select the drop down menu.
On the drop down menu select Automatic
Click on Apply then OK and close Computer Management.
Now restart your PC. Do you still get the freezing now.

Jim

Well look like it doesn't freeeze again, but im not sure if it was what you suggest me to do or the change of the network cable, but has been two days without freezing.

Originally Posted by bacoazul

Well look like it doesn't freeeze again, but im not sure if it was what you suggest me to do or the change of the network cable, but has been two days without freezing.

Glad to see its working
Thanks for getting back and letting us know

Jim