Symptoms

• Parallels Client for Windows is crashing right after start.
• The faulting module when you start a published resource from a shortcut is TSClient.exe
• The faulting module when you launch Parallels Client is AppServerClient.exe

Cause

The following Microsoft updates caused the issue with applications and printer drivers that utilize the Windows JavaScript engine (jscript.dll) for processing print jobs.

Windows 10:

• KB4524147

Windows 8.1

• KB4524156

Windows 7:

• KB4524157
• KB4516048

Resolution

On October 8th, Microsoft released the fix. Please install the following Microsoft updates:

Windows 10:

• KB4517389

Windows 8.1

• KB4520005

Windows 7

• KB4519976