Can anyone help with extremely slow load and operation of some progs?

Get aleast 8gb of ram dd3 dd4 it will solve 99% of problems go for dual channel or triple channel maybe install an ssd aswell

Your manual shows the following information for memory

Memory Page 8/95
Supports DDR3 1333/1066 DDR3 SDRAM with Dual-channel architecture
Accommodates four unbuffered DIMMs
Up to 4 GB per DIMM with maximum memory size up to 16 GB

Memory install rule 43/95
2 blue slots 1 & 2 Page 43/95
2 black slots 3 & 4 Page 43/95

DDR3 SDRAM memory module table Page 84/95
Memory Memory bus
DDR3 1066 533 MHz
DDR3 1333 667 MHz

Go to Crucial US | DRAM, Solid State Drive (SSD) & Memory Upgrades
--- Run their scanner
--- See what it costs
Crucial reports the chipset also
--- Should be Intel H67 page 8/95