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Which version of illustrator?. Try deleting the Adobe .plists in Library/Preferences. Then try with the internet disabled. Try loading with...
It's a fully operational version, just not activated. To activate you need to buy a Windows License. However you can run un-activated.
Apple error 4013, generally implies a communication problem between the devices somewhere. USB connection, the physical drive connection, etc....
OK. That's the 'Energy Saver Tool', not 'Energy Saver' (I know stupid naming....). Why they decided to give their tool the same name as the one...
Mac System Preferences Energy Saver <https://support.apple.com/en-us/HT202824>
Probably simplest way, create a Time Machine backup of it. One of the options when you build a new VM (Click on the Control Centre, then File,...
Thinking about it, I think when I was using more memory, it was with the 'old' Parallels back before they got rid of the full screen display...
I don't think this is a Catalina, or Mojave issue, but an issue with the virtual display driver. We have one poster here having it with Mojave,...
Now it is the virtual display with Mojave that is not allowing more than 256MB to be selected. Same hardware set for 512MB on both a W10 virtual...
Depends on your energy saver settings. In the Mac, if you have the tick box 'Prevent computer from sleeping when the display is off', then...
The thing that actually makes the biggest change to system performance is disk performance. I started to get a smart error on my SSD used for a...
It's somehow related to two windows overlaying one another. Just done it again when I popped a second window over one that hadn't fully closed.
That's about the same time as me. Suggests it may relate to a Windows update. Also I have two other VM's (Mojave and Linus) and they are fine. I...
Had Parallels run fine for a long while. Using Parallels 15.1.0. Just upgraded the Mac to Catalina. Since this, I've twice had a complete hang of...
Are you sure you have updated Parallels to 15.1.0?. I had this when I first tried to install, but this was the first release of Parallels 15. It...
You have got Parallels tools installed?. You have to have this in before trying to do the migration. The virtual disk expansion does not work...
How much memory is assigned to the VM graphics?. It defaults to only 64Mb when you create the VM. Though this really should be enough, try...
Yes, I have just done this. Dis a fresh time machine backup before starting the upgrade to Catalina. Made sure I had a downloaded Mojave install...
Don't get me wrong, but that is the 'power' of forums. I had been having, a "wall, head, impact technology testing" session with this, thinking I...
OK. It looks as if the issue was specific to 15.0.0.0. I tried again 'from scratch' with the 15.1 version and this seems to be working.