macOS 10.13.5 - Version check failed

TotalSpaces fails to start since upgrading to 10.13.5 (although only on my imac and not my macbook for some reason).

I’ve tried reinstalling, including clearing all related config files at /System/Library/ScriptingAddons etc beforehand, although to no avail.

The console output shows the following:

default 09:14:55.633848 +0200 launchservicesd CHECKIN:0x0-0x92092 3271 com.binaryage.TotalSpaces2
error 09:14:55.693721 +0200 TotalSpaces2          AEGetDescData of non-desc type 'reco' not a good idea
default 09:14:55.696328 +0200 TotalSpaces2  existsInSystemPath
default 09:14:55.696381 +0200 TotalSpaces2  FS allowed
default 09:14:55.696406 +0200 TotalSpaces2  TFP allowed
default 09:14:55.696431 +0200 TotalSpaces2  System path version 2.0.3
default 09:14:55.696456 +0200 TotalSpaces2  Detected injector version 2.0.3
default 09:14:55.696792 +0200 TotalSpaces2  TotalSpaces2.app is carrying injector version 2.0.3
error 09:14:58.123540 +0200 TotalSpaces2  Scheduling the NSURLDownload loader is no longer supported.
default 09:14:58.125219 +0200 TotalSpaces2  Faulting in NSHTTPCookieStorage singleton
default 09:14:58.125247 +0200 TotalSpaces2  Faulting in CFHTTPCookieStorage singleton
default 09:14:58.125267 +0200 TotalSpaces2  Creating default cookie storage with process/bundle identifier
default 09:14:58.126869 +0200 TotalSpaces2  TIC Enabling TLS [1:0x60000016b4c0]
default 09:14:58.126897 +0200 TotalSpaces2  TIC TCP Conn Start [1:0x60000016b4c0]
default 09:14:58.126985 +0200 TotalSpaces2  Task <D08DEA9E-C3CF-46C2-8738-1401865C50BB>.<0> setting up Connection 1
default 09:14:58.127001 +0200 TotalSpaces2  [1 <private> <private>] start
default 09:14:58.994385 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:58.998811 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:59.004327 +0200 TotalSpaces2  CSSM Exception: -2147415792 CSSMERR_CSP_INVALID_KEY
default 09:14:59.009442 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:59.015789 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:59.023460 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:59.034596 +0200 TotalSpaces2  UNIX error exception: 17
default 09:14:59.059382 +0200 kernel  ignoring detached code signature on 'TotalSpacesCrashWatcher' with cdhash 'ba93dbca148f6ded6d816b2445c1ab16bfdfdd37' because it is invalid, or not a simple adhoc signature.
default 09:14:59.076592 +0200 TotalSpacesCrashWatcher Watching '/Users/shaun/Library/Logs/DiagnosticReports' for recent crash reports with prefix 'TotalSpaces2'
default 09:14:59.316907 +0200 TotalSpaces2  Inject called: waitingToInject: 0 injectionBackoff: 0
default 09:14:59.333339 +0200 TotalSpaces2  Sending injection events to 751
default 09:14:59.338863 +0200 TotalSpaces2  Monitoring Dock 751
default 09:14:59.368755 +0200 Dock  [TotalSpaces] TotalSpacesInjector v2.0.3 received init event
default 09:14:59.444710 +0200 Dock  [TotalSpaces] Loaded bundle from path: /Applications/TotalSpaces2.app/Contents/Resources/TotalSpaces.bundle
default 09:14:59.444763 +0200 Dock  [TotalSpaces] TotalSpacesInjector: Installing TotalSpaces ...
default 09:14:59.444833 +0200 Dock  [TotalSpaces] FastSwitch2 (c) Switchstep in association with BinaryAge
default 09:14:59.444885 +0200 Dock  [TotalSpaces] FastSwitch2 is being initialized v2.6.24
default 09:14:59.445330 +0200 Dock  [TotalSpaces] High Sierra detected
default 09:14:59.450616 +0200 Dock  [TotalSpaces] Loaded at 0x1068b4000
default 09:14:59.450706 +0200 Dock  [TotalSpaces] FSS_DS was nil
default 09:14:59.451052 +0200 Dock  [TotalSpaces] Location 0x106e8fe70, value 0x604000088890
default 09:14:59.451089 +0200 Dock  [TotalSpaces] FSS_DWVE was nil
default 09:14:59.451152 +0200 Dock  [TotalSpaces] Location 0x106e8fe78, value 0x604000066700
default 09:14:59.451182 +0200 Dock  [TotalSpaces] FS_DPDPM was nil
default 09:14:59.451235 +0200 Dock  [TotalSpaces] Location 0x106e8ff18, value 0x6040000a9420
default 09:14:59.451276 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:14:59.451317 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:14:59.451367 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x604000088890, WVE 0x0, DWVE 0x604000066700
default 09:14:59.451408 +0200 Dock  [TotalSpaces] DPDPM 0x6040000a9420, DNC 0x0, WVSDS 0x0, DSDS 0x106e63f68, DPDPPL 0x106e49810
default 09:14:59.451449 +0200 Dock  [TotalSpaces] Object fail
default 09:14:59.952232 +0200 Dock  [TotalSpaces] Loaded at 0x1068b4000
default 09:14:59.952313 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:14:59.952352 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:14:59.952388 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x604000088890, WVE 0x0, DWVE 0x604000066700
default 09:14:59.952423 +0200 Dock  [TotalSpaces] DPDPM 0x6040000a9420, DNC 0x0, WVSDS 0x0, DSDS 0x106e63f68, DPDPPL 0x106e49810
default 09:14:59.952456 +0200 Dock  [TotalSpaces] Object fail
default 09:15:00.340177 +0200 TotalSpaces2  Connecting Dock, backoff: 1
default 09:15:00.340432 +0200 TotalSpaces2  Failed to register connection
default 09:15:00.453385 +0200 Dock  [TotalSpaces] Loaded at 0x1068b4000
default 09:15:00.453472 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:15:00.453512 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:15:00.453554 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x604000088890, WVE 0x0, DWVE 0x604000066700
default 09:15:00.453593 +0200 Dock  [TotalSpaces] DPDPM 0x6040000a9420, DNC 0x0, WVSDS 0x0, DSDS 0x106e63f68, DPDPPL 0x106e49810
default 09:15:00.453626 +0200 Dock  [TotalSpaces] Object fail
default 09:15:00.453656 +0200 Dock  [TotalSpaces] FastSwitch2 failed to initialize
default 09:15:00.496499 +0200 Dock  [TotalSpaces] Loaded bundle from path: /Applications/TotalSpaces2.app/Contents/Resources/GridZoom.bundle
default 09:15:01.341715 +0200 TotalSpaces2  Connecting Dock, backoff: 2
default 09:15:01.341956 +0200 TotalSpaces2  Failed to register connection
default 09:15:01.944729 +0200 TotalSpaces2  Restarting Dock because FS version was incorrect.
default 09:15:01.966242 +0200 TotalSpaces2  Dock pid 751 terminated
default 09:15:02.157893 +0200 systemsoundserverd  687: -> Incoming Request : actionID 4096, inClientPID 3271(TotalSpaces2), inBehavior 1, customVibeDataProvided 0, loop 0, loopPeriod 0.000000, inFlags 0, inClientCompletionToken 1
default 09:15:03.343164 +0200 TotalSpaces2  Connecting Dock, backoff: 4
default 09:15:03.343394 +0200 TotalSpaces2  Failed to register connection
default 09:15:06.952726 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.
default 09:15:06.967098 +0200 TotalSpaces2  Inject called: waitingToInject: 0 injectionBackoff: 0
default 09:15:06.986817 +0200 TotalSpaces2  Sending injection events to 3289
default 09:15:07.014469 +0200 TotalSpaces2  Monitoring Dock 3289
default 09:15:07.028308 +0200 Dock  [TotalSpaces] TotalSpacesInjector v2.0.3 received init event
default 09:15:07.085222 +0200 Dock  [TotalSpaces] Loaded bundle from path: /Applications/TotalSpaces2.app/Contents/Resources/TotalSpaces.bundle
default 09:15:07.085275 +0200 Dock  [TotalSpaces] TotalSpacesInjector: Installing TotalSpaces ...
default 09:15:07.085311 +0200 Dock  [TotalSpaces] FastSwitch2 (c) Switchstep in association with BinaryAge
default 09:15:07.085340 +0200 Dock  [TotalSpaces] FastSwitch2 is being initialized v2.6.24
default 09:15:07.085664 +0200 Dock  [TotalSpaces] High Sierra detected
default 09:15:07.086769 +0200 Dock  [TotalSpaces] Loaded at 0x1034bb000
default 09:15:07.086818 +0200 Dock  [TotalSpaces] FSS_DS was nil
default 09:15:07.087091 +0200 Dock  [TotalSpaces] Location 0x103a96e70, value 0x60c000089b50
default 09:15:07.087135 +0200 Dock  [TotalSpaces] FSS_DWVE was nil
default 09:15:07.087206 +0200 Dock  [TotalSpaces] Location 0x103a96e78, value 0x60c000265440
default 09:15:07.087235 +0200 Dock  [TotalSpaces] FS_DPDPM was nil
default 09:15:07.087287 +0200 Dock  [TotalSpaces] Location 0x103a96f18, value 0x60c0000af540
default 09:15:07.087328 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:15:07.087370 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:15:07.087420 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x60c000089b50, WVE 0x0, DWVE 0x60c000265440
default 09:15:07.087461 +0200 Dock  [TotalSpaces] DPDPM 0x60c0000af540, DNC 0x0, WVSDS 0x0, DSDS 0x103a6af68, DPDPPL 0x103a50810
default 09:15:07.087501 +0200 Dock  [TotalSpaces] Object fail
default 09:15:07.344732 +0200 TotalSpaces2  Connecting Dock, backoff: 8
default 09:15:07.344936 +0200 TotalSpaces2  Failed to register connection
default 09:15:07.588615 +0200 Dock  [TotalSpaces] Loaded at 0x1034bb000
default 09:15:07.588694 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:15:07.588732 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:15:07.588766 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x60c000089b50, WVE 0x0, DWVE 0x60c000265440
default 09:15:07.588801 +0200 Dock  [TotalSpaces] DPDPM 0x60c0000af540, DNC 0x0, WVSDS 0x0, DSDS 0x103a6af68, DPDPPL 0x103a50810
default 09:15:07.588834 +0200 Dock  [TotalSpaces] Object fail
default 09:15:08.015789 +0200 TotalSpaces2  Connecting Dock, backoff: 8
default 09:15:08.016034 +0200 TotalSpaces2  Failed to register connection
default 09:15:08.016100 +0200 TotalSpaces2  Retry already scheduled
default 09:15:08.089027 +0200 Dock  [TotalSpaces] Loaded at 0x1034bb000
default 09:15:08.089103 +0200 Dock  [TotalSpaces] dpdpm 88, dwve 64, dpdpm 88, dnc 40
default 09:15:08.089150 +0200 Dock  [TotalSpaces] dg 96, cgss 16, dbd 264, ds 72
default 09:15:08.089182 +0200 Dock  [TotalSpaces] WVS 0x0, DS 0x60c000089b50, WVE 0x0, DWVE 0x60c000265440
default 09:15:08.089215 +0200 Dock  [TotalSpaces] DPDPM 0x60c0000af540, DNC 0x0, WVSDS 0x0, DSDS 0x103a6af68, DPDPPL 0x103a50810
default 09:15:08.089246 +0200 Dock  [TotalSpaces] Object fail
default 09:15:08.089285 +0200 Dock  [TotalSpaces] FastSwitch2 failed to initialize
default 09:15:08.115052 +0200 Dock  [TotalSpaces] Loaded bundle from path: /Applications/TotalSpaces2.app/Contents/Resources/GridZoom.bundle
default 09:15:08.993527 +0200 TotalSpaces2  LSExceptions shared instance invalidated for timeout.
default 09:15:11.952964 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.
default 09:15:15.346277 +0200 TotalSpaces2  Connecting Dock, backoff: 8
default 09:15:15.346482 +0200 TotalSpaces2  Failed to register connection
default 09:15:16.953143 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.
default 09:15:21.954156 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.
default 09:15:23.346577 +0200 TotalSpaces2  Connecting Dock, backoff: 8
default 09:15:23.346733 +0200 TotalSpaces2  Failed to register connection
default 09:15:26.955398 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.
error 09:15:29.020613 +0200 TotalSpaces2  NSURLConnection finished with error - code -1001
default 09:15:29.025120 +0200 TotalSpaces2  TIC TCP Conn Cancel [1:0x60000016b4c0]
default 09:15:29.025259 +0200 TotalSpaces2  [1 <private> stream, pid: 3271, url: https://updates.binaryage.com/totalspaces2.xml, tls] cancelled. Events:
default 09:15:29.025305 +0200 TotalSpaces2  0.000s [1 A0768493-A19A-4545-A0A8-791BD8C4021E <private> resolver] path:start
default 09:15:29.025327 +0200 TotalSpaces2  0.000s [1 A0768493-A19A-4545-A0A8-791BD8C4021E <private> resolver] path:satisfied
default 09:15:29.025425 +0200 TotalSpaces2  0.000s [1 A0768493-A19A-4545-A0A8-791BD8C4021E <private> resolver] resolver:start_dns
default 09:15:29.025456 +0200 TotalSpaces2  30.898s [1] path:cancel
error 09:15:29.025607 +0200 TotalSpaces2  Task <D08DEA9E-C3CF-46C2-8738-1401865C50BB>.<0> HTTP load failed (error code: -999 [1:89])
default 09:15:31.347265 +0200 TotalSpaces2  Connecting Dock, backoff: 8
default 09:15:31.347447 +0200 TotalSpaces2  Failed to register connection
default 09:15:31.956748 +0200 TotalSpaces2  Version check failed. Waiting 5 seconds. If this persists, restart or re-install TotalSpaces2.

FYI, I was able to resolve this by downgrading to 2.6.22