The Old New Thing

What is this vmmem program that is using up all my CPU and memory?

July 17, 2018 Jul 17, 2018 07/17/18

Raymond Chen

That's where your virtual machine resource usage goes.

How do I change the password of another user without having to sign in as them?

July 10, 2018 Jul 10, 2018 07/10/18

Raymond Chen

You can do it from the password change screen.

The Windows Calculator no longer generates tiny errors when calculating the square root of a perfect square

July 4, 2018 Jul 4, 2018 07/4/18

Raymond Chen

Tweaking the algorithm.

How can I determine why the System process is listening on port 80?

July 3, 2018 Jul 3, 2018 07/3/18

Raymond Chen

netsh can tell you.

Why does the CREATOR_OWNER SID sometimes reset itself to the object’s current owner rather than its original owner?

June 13, 2018 Jun 13, 2018 06/13/18

Raymond Chen

It's a snapshot, but you can ask for a new snapshot.

Stupid cmd.exe tricks: Entering a directory that doesn’t exist, then immediately leaving

June 12, 2018 Jun 12, 2018 06/12/18

Raymond Chen

It's as if it never existed. Oh wait, it never existed.

Stupid cmd.exe tricks: Changing directories with forward slashes instead of backslashes

June 5, 2018 Jun 5, 2018 06/5/18

Raymond Chen

Provided it doesn't look like a switch.

How do I get file version information from the command line?

May 29, 2018 May 29, 2018 05/29/18

Raymond Chen

PowerShell does for you.

Why does the install date and size of a program change roughly two days after I install it, even though no changes were made to the program in the meantime?

May 22, 2018 May 22, 2018 05/22/18

Raymond Chen

Because the system is trying to fill in missing information.