AutoCAD 2010 :: Delayed Block Insertion From Tool Palette

We are having an issue while inserting blocks from the tool palette. Inserting a block from the tool palette takes about 5 seconds per block. Pick a block, wait 5 seconds, pick insertion point. Last week it took maybe 1 second. It doesn't sound like much, but we use alot of blocks everyday, and waiting 5 seconds everytime gets annoying. Especially when it used to be almost instantanious. We also have our blocks in our template. The template is on the server. If you type insert, and insert the block that way, it loads fast, like it used to using the tool palette.

Most of the blocks are simple text or shapes. None are dynamic. We also have some hatches in there, that are unaffected by the delay. They insert quickly.

Another thing has changed. The time it takes to change to a different tab on the palette has grown. A tab with about 10 blocks used to take about 6 seconds to load, now takes a good 30 seconds. And a tab with about 30 blocks that used to take about 12 seconds, now takes about a minute and a half! Once the tool palette and each tab has been opened for the first time, say first thing in the morning when cad is first opened, the delay is gone. They switch betweeen tabs with no delays.

The only thing that I know of that has changed that coincides with this is last week we made a few changes to the template. We removed a few sheets that we no longer use. Could this have done something? The blocks are still in the template. We have 3 pc's that are affected in the same way, at the same time.

I've tried a few things to remedy this. I am by no means a cad guru. I created a .dwg with all the blocks in it. Made another tab on the tool palette using the blocks from the .dwg. Still the same delay. I tried creating a new palette using the design center and the blocks .dwg I made, but cad locks up on me and I have to restart cad. I tried that twice, same result.

We are running AutoCAD Civil 3D 2010 on Vista Business 64bit.