Freeware for Windows
Get and Set CPU Affinity Programs
Terms of Agreement
By using the included Freeware, you agree to the following terms...
1) You may use this software freely and with no charge.
2) You MAY NOT redistribute this software (for example to a web site).
Users of this software must accept this disclaimer of warranty:
The software is supplied as is. The author disclaims all warranties,
expressed or implied, including, without limitation, the warranties of
merchantability and of fitness for any purpose. The author assumes no
liability for damages, direct or consequential, which may result from the
use of said software.
* These programs are made for administrator user, there is no install.
* Extract archive to a new folder, read the included Help and run the exe.
* Note: Intel Hyperthreaded cores are not supported!
Version 2.x and PriFinitty 64 Beta 1.0
* Set CPU Affinity and Priority on multiple files manually or automatically.
* Support up to 8 real CPU cores, 5 favorite profiles, CPU usage graphs per program and more...
Set Affinity II - v1.041
(52 KB - Aug 02, 2010)
Screen Shot -
Set Affinity II - v1.040
(52 KB - June 19, 2010)
Set Affinity 64
(53 KB - July 05, 2010) - Note:This is a 32-bit compiled program!
and Set Affinity v2.38 (110 KB -
Sept. 01, 2009)
Screen Shot - Version
Special Notes &
User Feed Back:
Thanks to everyone who has sent us feedback!
Just wanted to let you know of a handy way to
work around the UAC
for starting PriFinitty and others with Windows. You can
create a scheduled task to run at logon with “highest privileges”
thus bypassing the prompt. Method found here:
Make Vista launch UAC restricted programs at startup with Task
Thanks for the feedback!
I had the "CPU Usage Query Failed" error on Windows 7 64bit.
Opening CMD.EXE and executing lodctr /R did it, now setaffinity64 runs again.
Kind regards, Baltzer
Thanks for the feedback!
tried Affinity 64
(beta 1.0) program it's working very well, and what is interesting the icons
for the 64 bit programs reminds me to AtariST icons in
monochromatic mode even it's obviously icon of Macintosh classic,
many thanks for additional effort and i wish you all the best!
You're seeing a default icon that is used when Affinity64 is unable to retrieve a files icon or the .Exe file doesn't have an icon. In v1.01 the default icon has changed and the program should now be able to get icons for most 64-bit programs.
Affinity 64 is based on Set Affinity II and I haven't tested it much at all.
I've been using Set Affinity II for some time now.
On Vista sp1 x64 home premium with an intel 9540 (4 cores).
It's great and works fine.
Just one little annoying thing: it cannot automatically startup because vista blocks it.
Something to do with not properly signed applications.
Maybe this could be helped when installing the program with a proper installation tool.
I would like to make the programs more Vista/Win7 friendly but I have no plans to do so. Most likely the program will have to be run as Administrator type user and have UAC disabled for the Start with Windows option to work.
used Set Affinity II for a couple of months - using Vista 32 - and
it's been amazing.
Upon start now I get the following error:
"CPU Usage Query Failed"
Any idea what it means please?
Awhile back a WinXP user emailed me with the same problem. IIRC when
he ran Windows "Performance" monitor (in admin tools section) the
CPU usage didn't work there either.
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