Android apps keep force closing??!!?

For the past weel its been force closing most of my apps.(out of nowhere) I have a HTC EVO 3d. It did it last weekend but I took out the battery and it worked. Now its doing it again, I took out the battery but now its also saying error with SD card. It wont even let me go to the internet without it popping up the force close message and I click force close and it pops the same message up 3 or 4 times. PLEASE PLEASE PLEASE help! 10 points best answer! Thank you in advance. Ps Any way wothout reseting phone?