Fail to uninstall server VDA 7.6

Fail to uninstall server VDA 7.6

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Article ID: CTX220211

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Description

Fail to uninstall server vda 7.6.
The installation log has the following error:
$ERR$ : XenDesktopSetup:message format "Removal of MSI Product 'UpsClient_x64.msi' ('{FD03A03B-6A92-45CE-A3B6-2AE2FC644030}') failed with code 'InstallFailure' (1603)." failed:
System.FormatException: Input string was not in a correct format.
   at System.Text.StringBuilder.AppendFormat(IFormatProvider provider, String format, Object[] args)
   at Citrix.MetaInstaller.Log.Trace(LogSourceModule source, TraceFunction traceFunction, String message, Object[] args)

Resolution

Restart print spooler service.

Problem Cause

More detail error can be found in C:\Users\app_ermsupport\AppData\Local\Temp\Citrix\XenDesktop Installer\MSI Log Files\UpsClient_x64_uninstall2105010898.txt

log:
MSI (s) (48:2C) [09:01:55:948]: 
Product: Citrix Universal Print Client -- Error 1921. Service 'Print Spooler' (spooler) could not be stopped.  Verify that you have sufficient privileges to stop system services.