software makes all the app frozen

well, i have a problem actually i think it is related to the software first i have it with photoshop and i just delet some fonts and everything is okay now.then it comes again with illustrator iafter awhile from starting the pc it comes frozen , and i have to force restart the below is the specification of the imac
1-Model#A1419
2-Part#MD096AE/A
3-Apple® iMac 27"
3.2GHz Quad-core Intel Core i5, Turbo Boost up to 3.6GHz
32GB 1600MHz DDR3 SDRAM - 4x8GB
3TB Serial ATA Drive @ 7200 rpm
NVIDIA GeForce GTX 675MX 1GB GDDR5
Magic Mouse
Apple Wireless Keyboard (Arabic) / User's Guide (Arabic)

any help please????

Exactly which fonts did you delete? And why?
Deleting system fonts can be hazardous. Just ask anyone who deletes Monaco
How much free space do you have on your hard drive?