Prolink Software Updates

Release Date: August 5, 2026

QC-CALC Real-Time

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Admin Tools - Improved Copy Connection to make it follow the same rules as similar settings. (311140)

• General - Improved picture loading to better handle invalid pictures. (311143)

• Filtering - Improved the Characteristic Filter screen to display the full characteristic labels. (312597)

• Admin Tools - Improved validation of Settings Group names to prevent invalid filename characters. (312601)

• Exporting - Fixed the InfinityQS export functionality to handle multi-source files. (313997)

• Data Collection - Corrected the Remeasure operation, so notes included with the new communication file are collected and updated. (328599)

• Licensing - Improved reliability of licensing devices with incomplete hardware identification. (381317)

• Filtering - Improved numeric trace field filtering to maintain the correct decimal precision. (381824)

• Exporting - Updated ODBC export error handling, so incorrect error messages are no longer shown. (382243)

• Filtering - Preserved active Record Filter results when canceling an Ask filter prompt. (385357)

Known Problems and Workarounds

Item 1
RTS Service is not set to "Automatic" after installing QC-Collect if QC-CALC RT was previously installed. (385223)

WORKAROUND: Open the Windows Service as an Administrator and manually change the Startup Type from "Manual" to "Automatic".

QC-CALC Monitor

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Admin Tools - Improved validation of Settings Group names to prevent invalid filename characters. (312601)

• Licensing - Improved reliability of licensing devices with incomplete hardware identification. (381317)

QC-CALC SPC

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Data View - Fixed editing measured values, so values beyond the characteristic resolution are retained correctly. (311135)

• Data View - Improved validation so values at the specification limit are not shown as failing. (311147)

• Analysis - Improved chart interactions when selecting data points. (312598)

• Triggers and Live Data - Restored Centerline Exception trend detection when using dynamic record-range filters in QC-Mobile Live Data and QC-CALC SPC Triggers. (325139)

• Exporting - Fixed export jobs so “yyyy-MM-dd” date formatting works correctly with non-default Windows regional settings. (361745)

• Reporting - Corrected Raw Data reports, so missing data is not displayed with nominal values. (377418)

• Licensing - Improved reliability of licensing devices with incomplete hardware identification. (381317)

• Analysis - Fixed the Statistics and Properties of the Vertical Floating Bar chart to report the correct values when using a QCQ file. (382267)

• Analysis - Refreshed stacked Analysis chart behavior, so Data Details shows only the current selection. (382567)

• Analysis - Stopped an error that could happen while moving the mouse over Analysis charts. (382973)

• Admin Tools - Corrected labels in the Tools > Administrator > Group Permission > Privileges > User Privileges so User Groups are referenced instead of Settings Groups. (384391)

• Exporting - Fixed the Raw Data export for non-US date formats. (385247)

QC-Gage

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Admin Tools - Improved Copy Connection to make it follow the same rules as similar settings. (311140)

• Improved the Button Edit screen layout and fixed spec plan path validation. (311148)

• Improved the read-only AQL table setup, so users do not need to click a separate blue link to add tables. (311156)

• Admin Tools - Improved validation of Settings Group names to prevent invalid filename characters. (312601)

• The drag/drop functionality for creating new buttons was restored. (313503)

• Licensing - Improved reliability of licensing devices with incomplete hardware identification. (381317)

• Fixed one last area that was not displaying correctly in Japanese. (382827)

QC-PLC

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Licensing - Improved reliability of licensing for devices with incomplete hardware identification. (381317)

• Fixed an issue with the application update process. (383255)

SPC Office Pro

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Licensing - Improved reliability of licensing devices with incomplete hardware identification. (381317)

QC-Mobile

New Features in 5.1.16

QC-Mobile Modernization Round 2
Continues the QC-Mobile modernization by making further improvements to Dashboards, Full Views, Live Data, Snapshots, Overview, and System Status areas.

Startup Wizard Added
A new Startup Wizard will be triggered for all new installations of QC-Mobile/QC-Collect. The new Startup Wizard can also create a new database if needed.

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Live Data - Improved reliability when refreshing favorites on the Live Data screen. (308498)

• Live Data - Improved the Live Data chart plotting behavior. (311141)

• Improved the accuracy of the user seat count displayed for QC-Collect licenses. (374338)

• Overview - Improved Live Gauge reliability when using filtered data groups. (376527)

• Overview - Improved the reliability of the Part Frequency card when displaying trace data. (377519)

• Overview - Corrected the Resource Status card, so a Triggered Action recurrence reflects the configured interval. (377597)

• Live Data - Updated the statistics shown for True Position plots. (378352)

• Live Data - Fixed Live Data status coloring for non-toleranced charts. (378588)

• Full View - Prevented repeated Acknowledge clicks in a Full View from causing errors. (380041)

• Snapshots - Updated the Graphical View > Statistics panel to use the expected display precision. (381741)

• Improved consistency when displaying numeric trace field values. (381759)

• Full View - Updated the Full View > Show in Live Data links to honor the default Record Limit instead of showing all records. (382058)

• Stat Summary - Prevented the Stat Summary screen from regenerating automatically when the Display Option is changed. (382061)

• Overview - Ask Filters are now excluded from cycling filters when using Live Tiles to stop errors. (382283)

• Overview - Improved Live Gauges card resizing so gauges remain accessible after screen size changes. (382298)

• Overview - Ask Filters are now excluded from global filters when using Critical Characteristics cards to stop errors. (382302)

• Overview - Fixed Live Tile transitions when Windows animation effects are disabled. (382815)

• IC users can no longer open the App Settings area, preventing navigation issues after logging in via a QR code. (383614)

• Overview - Improved the Overview screen resizing experience for widgets. (383630)

• Overview - Corrected intermittent left alignment issues on the Overview screen. (383742)

• Overview - Restored the Save button on the Overview screen. (383877)

• Live Data - Restored historical control limit lines in Live Data control charts, making the charts reflect the limits that were in effect for earlier data. (384075)

• Resolved an issue where valid local SQL Server users could be prevented from opening QC-Mobile. (384515)

• Live Data - Restored cycling filters in Live Data > Summary by Characteristic and Summary by Record views. (384763)

Known Problems and Workarounds

Item 1
IC QR code navigation loses breadcrumbs after drilling down from Dashboards. (383878)

WORKAROUND: Rescan the QR code to return to the initial Stat Summary page.

QC-Collect

New Features in 5.1.16

QC-Collect Resources
Adds a resource management foundation for QC-Collect, so spec plans can store, reuse, and display linked pictures and external documents.

QC-Collect Enhancements
Improves the QC-Collect spec plan and collection experience with validation, navigation, layout, and keyboard workflow refinements.

Startup Wizard Added
A new Startup Wizard will be triggered for all new installations of QC-Mobile/QC-Collect. The new Startup wizard can also create a new database if needed.

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Fixed OOS indicator visibility so out-of-spec collection cells remain clearly marked after focus moves away. (375952)

• Updated format of numeric collection cell formatting so leading zeros are trimmed consistently. (375990)

• Prevented the Trace Field List Manager from showing lists for the wrong trace field type. (382291)

• Improved collection mode indicators so users can tell which entry and layout modes are selected. (382532)

Known Problems and Workarounds

Item 1
QC-CALC Real-Time as a Service is not set to "Automatic" after installing QC-Collect if QC-CALC Real-Time was previously installed. (385223)

WORKAROUND: Open the Windows Service as an Administrator and manually change the Startup Type from "Manual" to "Automatic"

Item 2
QC-Collect dropdown is not showing for the source list input. (384996)

WORKAROUND: Contact Customer Success for a query to update a compatibility setting in the database.

EDL

Problems Resolved in 5.1.16

• This release contains important maintenance updates.

QC-Alert

Problems Resolved in 5.1.16

• This release contains important maintenance updates.

PLS

Problems Resolved in 5.1.16

• This release contains important maintenance updates.

Known Problems and Workarounds

Item 1
PLS updater issues. (383482)

WORKAROUND: Download the full installer for the latest revision.

DCS

Problem Resolved in 5.1.16

The following issue is resolved in 5.1.16.

• Fixed a failure that prevented the DCS Settings application from launching. (382893)

Landing Page

Problems Resolved in 5.1.16

The following issues are resolved in 5.1.16.

• Corrected the expiration message shown when deactivating a license. (383261)

• Improved the startup operation so only the database connection needs to be entered. (384591)

Release Date: July 9, 2026

QC-CALC Real-Time

Problems Resolved in 5.1.15

This release contains important maintenance updates.

Known Problems and Workarounds

Item 1

Reversed priority of events when trend detection is ON (Patlite Signal Tower). (382825)

WORKAROUND: Use the triggering within QC-CALC SPC instead. The order of operations within QC-CALC Real-Time is intentionally set this way and cannot be changed, whereas QC-CALC SPC offers similar functionality with complete control over the order of operations.

QC-CALC Monitor

Problems Resolved in 5.1.15

This release contains important maintenance updates.

QC-CALC SPC

Problems Resolved in 5.1.15

This release contains important maintenance updates.

QC-Gage

Problems Resolved in 5.1.15

This release contains important maintenance updates.

QC-PLC

Problems Resolved in 5.1.15

This release contains important maintenance updates.

Known Problems and Workarounds

Item 1

QC-PLC update fails with an empty URI error. (383255)

WORKAROUND: Download and run the update for QC-PLC as Admin.

SPC Office Pro

Problems Resolved in 5.1.15

This release contains important maintenance updates.

QC-Mobile

Problem Resolved in 5.1.15

The following issue is resolved in 5.1.15.

• Corrected QC-Mobile licensing so that licensing, updating activation codes, and deactivating no longer return an error. (383153)

Known Problems and Workarounds

Item 1

Live Tiles values stack up if Windows animation setting is disabled. (382815)

WORKAROUND: In Windows, enable Animation effects in Settings > Accessibility > Visual Effects and Live Tiles will work as expected.

QC-Collect

Problems Resolved in 5.1.15

This release contains important maintenance updates.

EDL

Problems Resolved in 5.1.15

This release contains important maintenance updates.

QC-Alert

Problems Resolved in 5.1.15

This release contains important maintenance updates.

Known Problems and Workarounds

Item 1

QC-Alert update fails with error. (383278)

WORKAROUND: Run the installer for QC-Alert instead of updating.

PLS

Problems Resolved in 5.1.15

This release contains important maintenance updates.

DCS

Problems Resolved in 5.1.15

This release contains important maintenance updates.

Release Date: July 2, 2026

QC-CALC Real-Time

Problems Resolved in 5.1.14

The following issues are resolved in 5.1.14.

• General – Corrected an error that appeared when opening Modify Database Structure from File > Properties, preventing customers from updating trace fields or characteristics in existing part files. (382250)
• General – Modified View > Quick Charts so customers can open and use the histogram panel in QC-CALC Real-Time without errors. (381993)

QC-CALC Monitor

Problems Resolved in 5.1.14

This release contains important maintenance updates.

QC-CALC SPC

Problems Resolved in 5.1.14

The following issues are resolved in 5.1.14.

• Improved administrator access management. (311139)
• Improved reliability for database migrations so QC-CALC SPC services continue to run when the configured SQL Server name changes. (372443)

Known Problems and Workarounds

Item 1

SPC install created shortcut for Training CMM. (380893)

WORKAROUND: Ignore or delete the shortcut.

QC-Gage

Problems Resolved in 5.1.14

The following issue is resolved in 5.1.14.

• Removed the unsupported GagePort option from Local Gages in QC-Gage spec plan setup. (336009)

QC-PLC

Problems Resolved in 5.1.14

This release contains important maintenance updates.

SPC Office Pro

Problems Resolved in 5.1.14

This release contains important maintenance updates.

QC-Mobile

Problems Resolved in 5.1.14

The following issues are resolved in 5.1.14.

• Improved activation behavior for supported legacy configurations. (381872)
• Improved QC-Mobile Live Tile behavior by restoring carousel-style transitions and randomized timing. (378578)
• Corrected Full View navigation so Show in Stat Summary opens the part file associated with the selected violation. (380668)
• Updated QC-Mobile run chart scaling so Live Data, zoomed plots, Summary by Characteristic, and drill-down charts use consistent Y-axis scaling behavior. (380607)

Known Problems and Workarounds

Item 1

Live Gauges are cut off after screen resize. (382298)

WORKAROUND: Resize the card so that the gauges are back in view.

Item 2

Too many digits are displayed. (381741)

WORKAROUND: Set the Precision at the default of 4 or 5 at most.

Item 3

Live Tiles become unreadable. (382815)

WORKAROUND: Enable the Windows setting Settings > Accessibility > Visual Effects > Animation effects option.

QC-Collect

Problems Resolved in 5.1.14

This release contains important maintenance updates.

EDL

Problems Resolved in 5.1.14

This release contains important maintenance updates.

QC-Alert

Problems Resolved in 5.1.14

This release contains important maintenance updates.

PLS

Problems Resolved in 5.1.14

This release contains important maintenance updates.

DCS

Problems Resolved in 5.1.14

This release contains important maintenance updates.

Release Date: June 24, 2026

QC-CALC Real-Time

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• General – Improved the display of all languages by changing the font used throughout the application. (313899)
• Exporting – Corrected Prolink Standard pipe-delimited Export so each part includes only one START line. (319927)
• Keyence IM Series (CSV file) – Added a Keyence IM CSV delimiter override so semicolon-delimited output is parsed correctly. (364487)
• GageStation – Updates made to ensure that the correct picture resource is assigned. (365191)
• Real-Time as a Service – Prevented data collection failures after the same part file is deleted and then recreated. (373316)
• Data Collection – Fixed an issue that affected RS-232 data collection. (376858)
• General – Resolved error in the Help > Machine Specific menu. (376918)
• Exporting – Export to SPC Office Pro has been restored. (377231)

Known Problems and Workarounds

Item 1

Action limits remain at zero for older versions of QCQ files and SQL Server Part Files. (377977)

WORKAROUND: Action Limits with older or adapted files are available in version 5.0.9.

QC-CALC Monitor

Problems Resolved in 5.1.13

The following issue is resolved in 5.1.13.

• General – Improved the display of all languages by changing the font used throughout the application. (313899)

QC-CALC SPC

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• Exporting – Updated Export Job > Excel Aggregate Stats to display correctly when creating or editing export jobs. (313043)
• General – Fixed the Tools > Options > Data Storage > Processor list so it is populated in QCQ mode. (354087)
• Reporting – Improved Cpk calculation and display consistency. (364476)
• General – Improved the display of all languages by changing the font used throughout the application. (313899)
• Reporting –- The Print Reports if no Data option now correctly includes or excludes blank report pages. (375194)
• Reporting – The reports now display the file information of the first characteristic when Stacked Characteristics is used to more closely match the reports from QC-CALC SPC 4.0. (377982)

QC-Gage

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• Added handling for Mahr wireless measurement values when workstations use European decimal formats. (364078)
• Improved the display of all languages by changing the font used throughout the application. (313899)

Known Problems and Workarounds

Item 1

Data collection values are offset with spec plans with multi-file setups. (378463)

WORKAROUND: Combine two separate output files into one file.

QC-PLC

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• Improved the display of all languages by changing the font used throughout the application. (313899)

SPC Office Pro

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• Users are prompted to change their password after a successful login. (315986)
• Corrected file-based QCQ licensing with the same Global.dat file. (363438)
• Improved the display of all languages by changing the font used throughout the application. (313899)
• Error was fixed when a user deletes the last tag in the Excel Options area while editing an Excel Job. (321304)

QC-Mobile

New Features in 5.1.13

Interface Modernization

The QC-Mobile user experience has been improved through a more modern interface, with updates focused on key workflows such as overview, live data, and stat summary displays.

Problems Resolved in 5.1.13

The following issues are resolved in 5.1.13.

• Improved Cpk calculation and display consistency. (364476)
• Corrected a display issue for the Live Data normal statistics after opening plots. (377868)

QC-Collect

Problems Resolved in 5.1.13

The following issue is resolved in 5.1.13.

• Corrected time handling so collected data does not display with an incorrect time offset. (375339)

EDL

Problems Resolved in 5.1.13

The following issue is resolved in 5.1.13.

• Improved the display of all languages by changing the font used throughout the application. (313899)

QC-Alert

Problems Resolved in 5.1.13

This release contains important maintenance updates.

PLS

Problems Resolved in 5.1.13

This release contains important maintenance updates.

Known Problems and Workarounds

Item 1

PLS is unable to contact Prolink website (376562)

WORKAROUND: Use manual license activation and deactivation.

DCS

Problems Resolved in 5.1.13

This release contains important maintenance updates.