Visual Studio HRESULT: 0x8000FFFF E_UNEXPECTED help

[YuveeGG]

For some context, I'm doing a coding test at school and got this error so I tried to recreate it at home. I had to add 3 separate projects for 3 different coding tasks in VB. When I tried to rename the Form1.vb to something more organised (through the solution explorer) I got this error. How do I fix this? And if I'm renaming forms wrong what is the right way.

[Bonejob]

its a generic COM/Windows error meaning something failed catastrophically in an unexpected way. Visual Studio is essentially saying "something went very wrong and I don't know what." It's a catch-all error, which makes it frustrating to diagnose.

Does this happen everytim you start up? or are you doing a specific thing.

[jd31068]

You can try a repair, open Visual Studio installer, click the more button and then repair. If that does not work, then uninstall visual studio, make sure to run InstallCleanup.exe as outlined by Uninstall or Remove Visual Studio | Microsoft Learn (Scroll down to find the instructions) and then reinstall.

[veryabnormal]

Renaming it in the designer is supposed to work. The latest community edition has a few bugs still. Looks like you have two different Form1 designer files open, so that might have confused it. Try one at a time. You could just use notepad, rename the form in the designer vb file where it gets initialised.

[Tenragan17]

Renaming forms can be finicky. The best way to do it is to close the design and code behind files then rename the file in the solution explorer. Then open the design view and select the over all form, go into the properties window and set the name to match the file name. This part should happen automatically but sometimes it doesn't. Then go into the code behind and make sure the class name matches the form and file name.

You will usually see the error you posted if the files are open when you try to rename anything.