what is cumulative update
In term of quantity: Simple update is just a single update which fix a problem. Cumulative update is an update which includes previously released updates, it's like more than one simple update bundled together. For example if Microsoft release update KB00001 in July, KB00002 in August, and KB00003 in September.n term of quantity: Simple update is just a single update which fix a problem. Cumulative update is an update which includes previously released updates, it's like more than one simple update bundled together. For example if Microsoft release update KB00001 in July, KB00002 in August, and KB00003 in September.