File list (Check if you may need any files):
SingleInstanceExcel
...................\bin
...................\...\Debug
...................\...\.....\Single Instance Excel.exe
...................\...\.....\Single Instance Excel.pdb
...................\...\.....\SingleInstanceExcel.vshost.exe
...................\...\.....\SingleInstanceExcel.vshost.exe.manifest
...................\...\Release
...................\excel.ico
...................\obj
...................\...\x86
...................\...\...\Debug
...................\...\...\.....\DesignTimeResolveAssemblyReferences.cache
...................\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
...................\...\...\.....\GenerateResource.read.1.tlog
...................\...\...\.....\GenerateResource.write.1.tlog
...................\...\...\.....\IT.Properties.Resources.resources
...................\...\...\.....\Single Instance Excel.exe
...................\...\...\.....\Single Instance Excel.pdb
...................\...\...\.....\SingleInstanceExcel.csproj.FileListAbsolute.txt
...................\...\...\.....\TempPE
...................\...\...\.....\......\Properties.Resources.Designer.cs.dll
...................\Program.cs
...................\Properties
...................\..........\AssemblyInfo.cs
...................\..........\Resources.Designer.cs
...................\..........\Resources.resx
...................\..........\Settings.Designer.cs
...................\..........\Settings.settings
...................\SingleInstanceExcel.csproj
...................\SingleInstanceExcel.csproj.user
SingleInstanceExcel.sln