Exception:

"Error: Access Denied" appears. User cannot upload the .SWF file". 

Explanation:

Users with contributor permissions are prevented from uploading files with extensions ASPX,MASTER,XAP,SWF,JAR,ASMX,ASCX,XSN and XSF

Solution:

1. Provide "design" permission to the users trying to upload the restricted extensions
2. These restricted extensions are listed in the WebFileExtensions property of the WebApplication. The WebFileExtensions property can be programatically edited as follows

  PowerShell script to list the WebFileExtensions property            

$WebApp = Get-SPWebApplication https://<SharePoint Site Collection URL>/
$Extensions = $WebApp.WebFileExtensions
$Extensions | ForEach-Object {Write-Host $_}

PowerShell script to remove the .swf restriction from the WebFileExtensions property

$WebApp = Get-SPWebApplication http://<SharePoint Site Collection URL>/
$Extensions = $WebApp.WebFileExtensions
$Ext = $Extensions.Remove("swf")
$WebApp.Update()

Explanation:

Encountering the issue of an error message when we double click on a file in SharePoint to open just for viewing.

Solution:

To fix the issue, enable the following setting in the sharepoint library settings.

Explanation:

You may get the "Admin SVC must be running in order to create deployment timer job" error when you deploy a SP solution or package to the sharepoint server

Solution:

Start the below windows service and deploy again.