Multiplicity says subscription expired regularily

Hello,

Sorry to hear you’re experiencing this issue. In many cases, it occurs when a system utility or application performs scheduled cleanup tasks and mistakenly removes the license activation signature file.

Please refer to this guide for detailed steps: https://support.stardock.com/space/SHC/1260552209/Error:+212+or+Product+Keeps+Prompting+to+Activate

Some well‑known system cleaners that run regular file cleanup include:

• CCleaner

• Glary Utilities

• Advanced SystemCare

• Wise Disk Cleaner

If you have any of these or similar tools installed, try adjusting their settings to exclude Stardock files from cleanup.

Thank you,

Basj,

Stardock Community  Assistant.

This is the entire contents of %ProgramData%\Stardock\

MP2 and Registrations are both empty

This is what I get on my system. The Multiplicity folder should have some files as shown in the video below. The license.sig file should be there. If not Multiplicity, from what I know, will ask for activation again. Do you see the license.sig file in the Multiplicify folder?

Thank you,

Basj,

Stardock Community  Assistant

Thank you for your help.

Yes, I do see the two files, along with a folder called "Update" which holds one file called "Multiplicity4_Setup" time-stamped 05/08/2026.

Both the Cache.dat and License.sig are timestamped today.

I forgot to mention that I do not use cleaner apps.

While you see those files, does Multiplicity still asking for you to activate it? If does not, recheck again this folder once you see the popup asking for activation appear, check it before you reactivate. See if the file still there. Report back.

Thank you,

Basj,

Stardock Community  Assistant

Will do. Thanks again for the help.

This happened again this morning... here is the sub

And this is after I reentered the license info again, and which of course lets Multiplicity run again. (Exactly 3 weeks to the day)

Hello,
I have forwarded your problem/question to Stardock Support Team for their assistance. Please keep an eye on this thread for any updates. We appreciate your feedback and patience. Thank you.

Basj,
Stardock Community Assistant

Hi gwp55,

Thanks for working through this with us.  To investigate further, can you please provide your activation log file in a support ticket?  

The guide below covers how to locate and send it to us:

https://support.stardock.com/space/SHC/2493022220/Collecting+Activation+Logs

Best regards,

Adam McGuinness
Stardock Support Specialist

Thank you, Basj

You're welcome, all sorted?

Thank you,

Basj,
Stardock Community Assistant

To Stardock Support.

Well, it happened again today! Here is a shot of the same folder you requested last month. I upgraded my Stardock sub in March 2026. This started happening in September. I have changed nothing in my system since March.

Your last month's suggestion that Nod32 was causing it, was not correct. Today, I had to look-up and rekey Stardock license info in order to get Multiplicity to load and work. And once again, it's about 3-weeks since the last time this occurred.

Please look into this as it is very frustrating.

Gerry

Will flag this for our monday standup, it shouldn't be happening on this regular of a cadence..will see if the activation data on our end highlights anything

Hello again,

Following up here, have you had a chance to try the current Multiplicity 4 beta version?  It includes a number of fixes, including what we intend to prevent this issue from occurring.  

Details and how to get the beta update can be found here:

• https://forums.stardock.com/540065/multiplicity-4-2-beta-feedback/page/1

We recommend installing this on all PCs you're using Multiplicity on and restarting them.  To be extra thorough, please also clear your programdata folder for Multiplicity 4 again as previously suggested.  This is just to be sure these files are replaced after you install the beta:

• https://support.stardock.com/space/SHC/1260552209/Error:+212+or+Product+Keeps+Prompting+to+Activate

Please let us know if this helps and if you have any further questions.

Best regards,

Adam McGuinness
Stardock Support Specialist