If you recently performed maintenance on your Microsoft Lync servers, including patching, Lync may experience an error that the server cannot validate the certificate.   Can’t Sign in to Lync   The server cannot validate the certificate. Please try again later. If the problem continues, contact your support team.  

File Transfer Protocol (FTP) is a popular Transmission Control Protocol (TCP) that allows users to transfer files between hosts and or servers. It’s extremely fast, reliable, and straightforward. Anyone with a PC can quickly setup free FTP software to use. To use FTP, you need at least 2 PC’s – one acting as a host and...

RAR files are a popular file extension for packing file(s) to a compressed format, similar to .zip files. When you download a RAR file, it sometimes will come in “parts”. Each part of file is a subset of the original file of the same size. In order to open the original file, the RAR files are...

If you forcefully quit Microsoft Outlook, you may have corrupted your .OST or .PST files and get prompted with the following error messages. Microsoft Outlook exited without properly closing your Outlook data file. Microsoft Office must be restarted. If this error message recurs, contact support for Microsoft Outlook for assistance.  And… Cannot start Microsoft Outlook. Cannot open the Outlook...

If your Mac computer connects to Citrix that uses netscalers for load balancing, you may be experiencing intermittent issues where the Mac Citrix receiver when used with Mac Safari web browser either generates a message HTTP 1.1/Object Not Found or presents a blank webpage with Placeholder in the top left of the screen. Ensure your Citrix administrator...