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Hello Everyone I tried to search here to see if anyone faced similar issues but in DirectX Diagnostic tool , it shows Display Memory (VRAM) 0 MB while Total memory is 18428 MB DirectX 12 Is this something expected ? I'm trying to run COH 3 I would say that I can ignore the message but...

After upgrading to P26, my Windows 11 virtual machine will reboot when I swipe over to my Mac side and work in the Mac environment for a few minutes. Killing my productivity! Any ideas?

After updating to Parallels Desktop version 26.0.0, Parallels Tools created a file named "Mac disk" on the D drive of my Windows 11 virtual machine. I can't delete the file because Parallels Tools is blocking access. If I uninstall Parallels Tools, the folder disappears. What's going on? Why is...

Since I upgraded from V 20 to V 26 of Parallels Desktop Pro Edition for Mac on MacOS 15.6.1 Parallels won't activate with my active Abo on my MacBook Pro M1 Pro. Who can help?

I have an active subscription to Parallels Desktop Pro. When I try to activate Parallels Desktop 2026, I'm getting the "Unable to verify license signature" error. I've tried the terminal command suggested in the knowledge base article "Activate Parallels Desktop upon getting the 'Unable to...

The last successful update was "2025-06 Cumulative Update for Windows 11 Version 24H2 for arm64-based Systems (KB5063060)" Since then, Windows Update either crashes during download or during install. When I click on "Retry" same thing. I'm running Parallels 26.0.0 on a M1 iMac. Any help would...

I have 2 subscriptions to Parallels Desktop and was running the current version (20.4.1). I upgraded one machine to 26 and upon attempting to activate, I repeatedly get the dialog below. I have logged out and logged back in. Uninstalled and reinstalled Parallels. I am currently dead in the...

I upgraded from Parallels Desktop Pro v20 today to v26 and cannot Activate or Reactivate my product key. Error: Unable to verify the license signature. Please try to activate Parallels Desktop.

Tried to install Desktop 26. I have a subscription. I receive an "unable to verify the license signature" error. Tried entering my license key, green check make, same error. Help.

I installed Parallels 26 but it won't activate. When I click Activate it gives me an error "Unable to verify the license signature." If I click the Enter a new key button, I can enter my key and the green check mark displays, but when I click Activate, I get the same error message. I can't get...

I have a PD for Mac Pro Subscription. I downloaded PD 26 and installed it. When I tried to activate, I get an error "Unable to verify the license signature". I have tried using "sudo chflags 0 /Library/Preferences/Parallels/licenses.json" in Terminal but it did not work.

My apologies if this is the wrong thread. Please move it to its proper place if necessary. I'm a complete newb with regard to all things MacOS. I'm trying to help someone get Parallels Desktop 19 for Mac Version 19.3.0 (54924) running on their MacBook Air (Sonoma 14.3.1) with an M1 chip. It...