CPU-Z 1.61 : bugs !

Posted by Franck Delattre - July 21th, 2012

Some of you may have noticed that the latest version of CPU-Z (1.61) was suffering lot of bugs, especially in clocks report (CPU speed, BCLK and consequently memory clock). That deserves some explanation.

CPU-Z is using a very handy timer named "APIC timer" for clocks computation. Unfortunately for us, Windows 8 does use that timer as well, and the simultaneous use of that timer by an application causes big troubles (system crash). Microsoft declared that this timer is a not a shareable resource, so we have no other choice than to stop using that timer.

Version 1.60 is the last that use that timer, and version 1.61 is the 1st version that does not use the APIC timer anymore, and as you may have noticed, the alternate methods are not working very well yet. We updated to 1.61.1 and 1.61.2 to fix several issues. Today, we released 1.61.3, that does still add several fixes. We hope to be close to the complete solution of that problem, and to be able to provide a CPU-Z as good as it used to be.

Version 1.61.3 is out. In case of problem, please do not hesitate to contact us by email at cpuz@cpuid.com. Please save a TXT report and attach it to your email.
We thank you for your help and your patience.


Yustina , August 15th, 2012 - #18879
A little clciafiaitron for those that didn't get it at first (like me). You want the configured number of processors to be the total amount of cores you want to see. The number of physical sockets becomes a math equation that goes like this:Number of proc

n9nety , July 28th, 2012 - #18263
not working for me cpuz saying 3400Mhz when i have it on 4200Mhz

James89 , July 24th, 2012 - #17514
Hi Franck.

Definitely not a good news, would love to hear more about the new option & its pros & cons.

One question, you mentioned v1.60 and v1.61 but what about version 1.60.1, Is it using the new method or good old APIC

totoff28 , July 22th, 2012 - #17247

cpu-z 1.61.3 is not good for me ,
bug in my i5 2500k , one core detected ;-)


Leonitis , November 2nd, 2012 - #44111
Hi,i have the same problem on my son's pc,
how did u resolve the problem ........
any help would be much appreciated

CleVerFIVE5 , July 24th, 2012 - #17574
I still have a bug :/ Version 1.61.3


cpuid , July 24th, 2012 - #17533
this is not an option, the old method does not work under Win8.

can you please send me a TXT report ?

Se6749 , July 19th, 2013 - #58485
I have CPU-Z 1.64 and when I open it, My computer restarts + The hard drive turns off, Then it switches on again, And Windows scans the disk, Deletes & Uninstalls all the CPU-Z files.
PC Specs: Asus TUSI-M, VIA C3 (Ezra) 866A MHz, Windows XP Home E

Keith , July 21th, 2013 - #58486
When I run CPU-Z 1.65 on my new Windows 8 64bit laptop it runs ok but when I try and save all the info to a txt file it locks up everytime. I tried this 4 times and it still locks up I have to End Task it in Task Manager.

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