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Auto Mouse Mover Software Utility allows you to move the mouse automatically which prevents your computer from logging off.   It works with all Windows versions. Download installable or portable versions from  here

I downloaded some project from  here , this included some test MS SQL Server database file called 'SchoolDB.mdf'. I tried to attach it in SQL Server Management Studio 2017. SSMS throws error as - Attach database failed for Server 'VSPLBLRLT0231'.  (Microsoft.SqlServer.Smo) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=14.0.17285.0+((SSMS_Rel_17_4).180821-0238)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach+database+Server&LinkId=20476 ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) Unable to open the physical file "D:\xyz@ xyz \LearnPlace\entityframeworktutorial.net\EF6-DBFirst-Demo-master\EF6-DBFirst-Demo-master\EF6DBFirstDemo\SchoolDB.mdf". Operating system error 5: "5(Access is denied.)". CREATE DATABASE failed. Some file names listed could not be creat...

I downloaded some project from here , this included some test MS SQL Server database file called 'SchoolDB.mdf'. When I try to open it in Visual Studio 2019, VS throws error as - This database file is not compatible with the current instance of SQL Server. To resolve this issue, you must upgrade the database file by creating a new data connection, or you must modify the existing connection to this database file. For more information, see https://go.microsoft.com/fwlink/?LinkId=235986 Found  solution   here