If clicking the mouse wheel is not activating the PAN tool instead it is activating the object snap menu then change the MBUTTONPAN system variable value to 1. You can also toggle the visibility of file tabs from Interface panel of View tab. You can use FILETAB command to bring back file tabs in the interface, you can also hide the file tabs using FILETABCLOSE command. You can solve this issue using tips mentioned in Autodesk forums, check it here. At the end of AutoCAD installation, you may see this error message stating it failed to install some of the products.

This issue is related to the installation of new software. If you are not able to select more than one object in AutoCAD then change the value of PICKADD system variable to 1 or 2. Here I have listed those issues along with their possible troubleshooting tip. There are also some specific and known issues that can be easily solved by making small changes in your software. If the issues are related to corrupt CAD files then you can easily repair corrupt AutoCAD drawings using simple AutoCAD commands. Errors in AutoCAD can be divided into two broad categories, the error related to the CAD file and error related to the Software itself.

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