Visual Studio Solution Unavailable (reload doesn't work)

Question

I am downloading a sample program for a barcode reader that I am using. Everytime I download the program and run it I am prompted with the error in my solution explorer (see ima

Answer 1

Mine did the same thing. I thought it was my hard drive, but one time I tried to load the program it didn't work. I left clicked my project and reloaded it. It asked me to install updates. I installed them and tried it again. It didn't work off the bat. I reloaded the project again and it worked!!!