Visual Studio Intellisense is bugging out and only works on my current startup project.
I'm in the process of building a multi-project solution and as of earlier today Visual Studio decided that Intellisense would stop colour coding and providing information about code that I hover over with my mouse.
this is happening in all files within the solution apart from the single one in my current Startup Project.
I'm unsure whether the fact that that file is inside the startup project is important or not or what at all caused the bug to begin the first place.
I've been searching around for a while and tried just about every 'solution' that has come up.
I've changed the relevant settings off and on again.
I've deleted the dynamic .suo file in the hidden .vs folder.
I've reopened the files, visual studio, updated, made sure intellisense wasn't doing something in the background.
Apparently this bug can be caused by a corrupt .ncb file that lives in the solution directories, but I've failed to locate a file with that extension anywhere.
I'm also not using any extensions or such that mess with Intellisense's operation.
Are there any other possible things to try (hopefully not reinstalling) or just continue writing code in black and white?
Intellisense working:
Intellisense not working:
Maybe you can check your intellisense setting in Tools > Options > Text Editor > C/C++:
This is a document about intellisense in C++. Hope it can help you.
If it doesn't work you can try to Reset all setting in Tools > Import and export settings. Or try to repair visual studio in visual studio installer.
If the above methods don't work, maybe you can only try to reinstalle visual studio.
I have been using Vs 2017 for several months on dev machine. This fine morning says setup incomplete. Am I missing something?
In this case you need to go to Control Panel => Programs and Features and choose Visual Studio and update it.
VS 2017 (15.6.6) was fine for me on Friday 6/1/18 on Windows 10, but same issue as OP today after a restart.
As suggested by the dialog and Retired Ninja, I ran the Visual Studio Installer (to 15.7.3 after updating VS Installer) and that fixed it.
Note that the 15.7.3 update was a 7.73 GB download. Your download size may vary.
This has happened to me for the last 3 upgrades in Visual Studio Enterprise 2017 (now again on upgrade to 15.9.21).
The fastest fix (and I'm not sure why) is simple and doesn't bomb your settings or take for ever.
In the Visual Studio Installer, click on Modify.
Click "Modify" on the bottom right corner.
Yes it says "Total space required 0 KB".
Yes you didn't really change anything.
It will then act like it is downloading something. (not sure what)
It will then act like it is installing something. (again, not sure what)
Open Visual Studio 2017 and it works.
Hope this helps.
If you have an offline installation like me and can't simply re-run the Visual Studio Installer you can edit devenv.isolation.ini and change the last line to read SetupFinished=true. It will detect your trickery and complain, but at least it will launch again.
Edit: I ended up getting the Visual Studio Installer to fix the issue after choosing the "Download then Install" option. Maybe I was too impatient when I initially stopped the update? My above answer is useful when you need to get work done that isn't affected by the broken features, but you will likely encounter problems later on.
just had the same problem (without any reason with) vs 2019 prof, after googling and reading on that topic, just went to vsix, looked for some individual component to install/uninstall, randomly picked cloud explorer, uninstalled it and some dependent components and VS 2019 prof started normally
decided to leave this here. may be it helps somebody
Solved: I did following steps, run the visual studio and it works for me.
In my case visual studio was working fine , I just restarted the PC, this popup was keep coming when I try to open visual studio.(in my case I was using VS 2019)
Go to this path "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE"
Open devenv.isolation.ini, set SetupFinished=true and save.
Now open visual studio.
Cheers!
In my case did following steps:
Clear temp files (you can %temp% in run command and Shift+Delete files)
Restart your computer
Open visual studio it will work properly.
Update: Faced problem again after couple of days, This time I go to C:\Program Files (x86)\Microsoft Visual Studio\Installer.
Click on retry.
Select one more feature which I had already installed on my Visual Studio
Click on modified and after installation it worked again.
This happened to me after I canceled a plugin update.
I solved by going to this site that has the latest update of Visual Studio.
https://learn.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes
I downloaded and upgraded it.
After that, Visual Studio worked.
If your VS is already upgraded, there´s an option to "repair" on the installer.
For this problem, goto uninstall screen in control panel right-click visual studio and select option change, Installer page will open now, In that window without changing anything click modify. it will solve the problem. I'm using VS Professional 2017
I got the same error today morning. This is what I did:
I ran the visual studio installer then I clicked on Modify.
The installer was showing 0KB Required. I continued and then it downloaded and installed. (Not sure what).
After that installation, it was able to launch.
I hope it works for you as well.
I was using Vs 2019 professional 16.6 and happened to me this issue one morning. I modified the installation by adding Azure Development tools even though I was not using it. This fixed the issue.
I just updated to 15.9.24 and I got this yet again, as I have my resolution above, and Visual Studio 2019 seems to be a lot better with avoid this issue. The installer for 2019 you do have to change something and do the modification, 2017 you don't have to change anything.
I reported this issue through Developer Community:
Setup not complete since 15.9.21
I don't know why but sometimes its buggy
it's up to date but after launch visual studio this error prompted !
you have to click modify in vs installer and just modify it.
its not going to download anything.
after a moment launch vs and enjoy :)
For VS2022, WIN11:
Control Panel > Programs > Programs and Features > Microsoft Visual Studio Installer
Then, click on Change and resume the previous process.
When I open a C++ project created recently on Visual Studio 2015 I am able to debug it and have it run, but the code window is blank. I've clicked all around and can not find anything to show me the code so I can continue to work on it.
I have tried:
F7: View Code does not work.
Opening from the Solution Explorer window does not do anything.
Searching Google, Stack Exchange, and YouTube tutorials for my identical problem.
I suspect it is a very straightforward misunderstanding of the interface on my part, but wanted to get involved on Stack Exchange to figure it out.
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Fixed with the following for me.
Change 'Color Theme' to something other that what you have.
Tools -> Options -> Environment -> Color theme:
Select OK then exit Visual Studio.
Open project and should see your source.
Please clear Visual Studio Cache, then open the Visual Studio again.
You can find cache folder on follwing path
C:\Users\<your_username>\AppData\Local\Microsoft\VisualStudio\<VS_version>\ComponentModelCache
Note : Close Visual Studio, and stop all Visual Studio processes.
I have a problem with syntax highlighting in visual studio 2012 and 2013 preview with C++. I've had this problem since I installed both a few days ago (tried 2013 after I saw the problem in 2012).
As you can see from below, the colours are completely messed up in the text; some keywords such as int aren't properly highlighted, the grey return value is completely broken on various texts, the class colours have merged with various texts etc.
I've done the usual stuff found from google but had zero success, such as:
Reset intellisence from %appdata%
Reset user settings via command prompt or from Tools -> Import & Export settings
Turned off hardware acceleration in Visual Studio options.
This does not happen at all in Visual Studio 2010 fortunately, so I've kept that on my machine in the mean time. I did install 2012 and 2013 while 2010 was still present on my machine, but during install, i did not select the options to import 2010 settings, so "technically" they should have been clean IDE installs. The only other thing I've noticed is; when you start a project in 2012 or 2013, all the code highlighting is completely correct, but as soon as you change or add any text, everything messes up (like in the above image). So it does seem that Intellisense or whatever controls the highlighting only functions once on start up, and suddenly stops working for the duration of the program.
Delete this key
HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\12.0\FontAndColors\Cache
and restart vs2013.
Found it in a discussion on codeplex. Although my problem was the lack of colors, you should try it
I can't offer a solution to this issue, but I can tell you that it's an issue that's plagued Microsoft Visual Studio 2012. In VS2010, the highlighting was fairly basic for C++, as you couldn't set the colouring on user types and loads of other things.
In VS2010, like you I had no problem with the syntax highlighting at all, but there was a lot less that you could actually highlight. Ever since they introduced this extra highlighting for C++ so you could colour a lot more items, it's been very buggy.
At the moment, I've got operators in all sorts of colours, matching brackets and braces in different colours and half-coloured qualifiers etc. I've just had to live with it... but if you're reading this MS, please... PLEASE... pretty please get it fixed.
I have a form in which I have placed a MFC DateTimePicker control. I set its format property to Time. Work with my app and everything is fine. But when I close visual studio and open it the next time, format has changed to its default value.
I noticed everything saves just fine, since if I build my solution using devenv.exe at command line the dialogs are displayed correctly. So it seems to me that whenever I open VS, it changes my setting.
How do I avoid this?
EDIT:
Tried VS2010, the problem did not occur there. However the project I'm working on is using VS2003 so the problem still persists.
congrats,
you are the 210th user of visual studio who found that bug but don't worry this will not show you from visual studio 2005 onward.
As per release note by Microsoft this issue came due to the,
behavior occurs because a problem exists in the Visual Studio .NET resource editor for Visual C++ projects.
For more information on this please seen following bug of visual studio resource editor.
FIX: The Format property of the DateTimePicker control reverts to Short Date in Visual Studio .NET 2003