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Visual Studio 2010 very slow, unusable

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How do I fix Visual Studio running slow?

You might have extensions installed that slow Visual Studio down. For help on managing extensions to improve performance, see Change extension settings to improve performance. Similarly, you might have tool windows that slow Visual Studio down.

Why is Visual Studio so heavy?

This is mainly because Visual Studio has lots of components, extensions and tools.

Does Visual Studio slow down computer?

No. No app will slow down your computer unless you use it. Any app that you invoke will have an effect on RAM and processing, so they all “slow down” a computer. If you have enough resources (RAM, SSD, fast processor), you will not notice the effect.


My mouse lags over menus too! For menus that are grayed out, it is fine. But for active menus, the mouse feels sticky when moving over them.

One solution i tried and it works is disable rich user experience and disable hardware acceleration.

Tools -> Options -> Environment (General) -> Visual Experience -> uncheck Use hardware graphics accelerator if available.

I have a good graphic card, but stopping visual studio from using graphics hardware makes my mouse sooo smooth now!


Visual Studio is actually quite fast if used properly. For example, I have solution with 45 projects (~600000 loc) that works fine.

It's probably an installed extension that kills the IDE (things like Resharper for example can be memory greedy - disclaimer: I have nothing against Resharper, I use it myself :-).

Here is a link to disable extensions (read also the comments): How to: Disable and Re-enable Visual Studio Tools and Extensions


Thanks for all the replies.

I've switched to using visual c++ express, it's much quicker, now I can actually do some coding.

Best solution I have for now.


Sounds like to much open and very large files to me - then syntax highlighting and IntelliSense can become very complex to calculate. Maybe you also suffer from some Add-Ons.