Cloudflare WARP: "Cloudflare WARP service is not available. Try rebooting."

Continuing the discussion from Cloudflare Warp service won't start:

I am having this problem too on Windows 10.
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For some reason after applying some privacy.sexy settings, cloudflare can’t start the Cloudflare WARP service by itself

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Once I start it manually, CF WARP works.

Still having this problem. Can’t update WARP anymore.

FYI I have Windows defender disabled and I use simplewall firewall.
Here is something from the windows installer log file:

After running: msiexec.exe /I "Cloudflare_WARP_Release-x64.msi" /QN /L*V! "C:\CF3.log

MSI (s) (80:BC) [03:40:27:789]: Invoking remote custom action. DLL: C:\WINDOWS\Installer\MSIE3C5.tmp, Entrypoint: ExecFirewallExceptions
MSI (s) (80:9C) [03:40:27:789]: Generating random cookie.
MSI (s) (80:9C) [03:40:27:790]: Created Custom Action Server with PID 4700 (0x125C).
MSI (s) (80:6C) [03:40:27:814]: Running as a service.
MSI (s) (80:6C) [03:40:27:816]: Hello, I'm your 32bit Elevated Non-remapped custom action server.
MSI (s) (80!84) [03:40:27:824]: Creating MSIHANDLE (252) of type 790531 for thread 12932
ExecFirewallExceptions:  Entering ExecFirewallExceptions in C:\WINDOWS\Installer\MSIE3C5.tmp, version 3.11.4516.0
MSI (s) (80!84) [03:40:27:824]: Closing MSIHANDLE (252) of type 790531 for thread 12932
MSI (s) (80!84) [03:40:27:830]: Creating MSIHANDLE (253) of type 790531 for thread 12932
ExecFirewallExceptions:  Installing firewall exception2 Cloudflare WARP (C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe)
MSI (s) (80!84) [03:40:27:830]: Closing MSIHANDLE (253) of type 790531 for thread 12932
MSI (s) (80!84) [03:40:27:831]: Creating MSIHANDLE (254) of type 790531 for thread 12932
ExecFirewallExceptions:  Error 0x800706d9: failed trying to find existing app
MSI (s) (80!84) [03:40:27:832]: Closing MSIHANDLE (254) of type 790531 for thread 12932
MSI (s) (80!84) [03:40:27:832]: Creating MSIHANDLE (255) of type 790531 for thread 12932
ExecFirewallExceptions:  Error 0x800706d9: failed to add/update application exception for name 'Cloudflare WARP', file 'C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe'
MSI (s) (80!84) [03:40:27:833]: Closing MSIHANDLE (255) of type 790531 for thread 12932
CustomAction WixExecFirewallExceptionsInstall returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
MSI (s) (80:BC) [03:40:27:834]: Closing MSIHANDLE (251) of type 790536 for thread 12584
Action ended 3:40:27: InstallFinalize. Return value 3.
Action start 3:56:18: INSTALL.
Action start 3:56:18: FindRelatedProducts.
Action ended 3:56:18: FindRelatedProducts. Return value 1.
Action start 3:56:18: LaunchConditions.
Action ended 3:56:18: LaunchConditions. Return value 1.
Action start 3:56:18: ValidateProductID.
Action ended 3:56:18: ValidateProductID. Return value 1.
Action start 3:56:18: CostInitialize.
Action ended 3:56:18: CostInitialize. Return value 1.
Action start 3:56:18: FileCost.
Action ended 3:56:18: FileCost. Return value 1.
Action start 3:56:18: CostFinalize.
Action ended 3:56:18: CostFinalize. Return value 1.
Action start 3:56:18: MigrateFeatureStates.
Action ended 3:56:18: MigrateFeatureStates. Return value 0.
Action start 3:56:18: InstallValidate.
Action ended 3:56:18: InstallValidate. Return value 1.
Action start 3:56:18: RemoveExistingProducts.
Action ended 3:56:18: RemoveExistingProducts. Return value 1.
Action start 3:56:18: InstallInitialize.
Action ended 3:56:18: InstallInitialize. Return value 1.
Action start 3:56:18: ReadCmdLineParamsCA.
SFXCA: Extracting custom action to temporary directory: C:\WINDOWS\Installer\MSIB46E.tmp-\
SFXCA: Binding to CLR version v4.0.30319
Calling custom action Warp.Installer.Actions!Warp.Installer.Actions.CustomActions.ReadCmdLineParams
Notice: Minimum command line params were not supplied.
Org: , DoH Subdomain: 
UseWebView2 ''
Action ended 3:56:18: ReadCmdLineParamsCA. Return value 1.
Action start 3:56:18: ProcessComponents.
Action ended 3:56:19: ProcessComponents. Return value 1.
Action start 3:56:19: UnpublishFeatures.
Action ended 3:56:19: UnpublishFeatures. Return value 1.
Action start 3:56:19: RemoveRegistryValues.
Action ended 3:56:19: RemoveRegistryValues. Return value 1.
Action start 3:56:19: RemoveShortcuts.
Action ended 3:56:19: RemoveShortcuts. Return value 1.
Action start 3:56:19: RemoveEnvironmentStrings.
Action ended 3:56:19: RemoveEnvironmentStrings. Return value 1.
Action start 3:56:19: WixSchedFirewallExceptionsUninstall.
SchedFirewallExceptions:  Entering SchedFirewallExceptions in C:\WINDOWS\Installer\MSIB78D.tmp, version 3.11.4516.0
SchedFirewallExceptions:  Component 'WarpService' action state (1) doesn't match request (2)
SchedFirewallExceptions:  No firewall exceptions scheduled
Action ended 3:56:19: WixSchedFirewallExceptionsUninstall. Return value 1.
Action start 3:56:19: RemoveFiles.
Action ended 3:56:19: RemoveFiles. Return value 1.
Action start 3:56:19: InstallFiles.
Action ended 3:56:19: InstallFiles. Return value 1.
Action start 3:56:19: CA_Properties.
Action ended 3:56:19: CA_Properties. Return value 1.
Action start 3:56:19: InstallServiceCA.
Action ended 3:56:19: InstallServiceCA. Return value 1.
Action start 3:56:19: WixSchedFirewallExceptionsInstall.
SchedFirewallExceptions:  Entering SchedFirewallExceptions in C:\WINDOWS\Installer\MSIB7BD.tmp, version 3.11.4516.0
SchedFirewallExceptions:  Scheduling firewall exception (1€Cloudflare WARP€2147483647€*€0€2€C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe€€-2147483648€)
Action start 3:56:19: WixRollbackFirewallExceptionsInstall.
Action ended 3:56:19: WixRollbackFirewallExceptionsInstall. Return value 1.
Action start 3:56:19: WixExecFirewallExceptionsInstall.
Action ended 3:56:19: WixExecFirewallExceptionsInstall. Return value 1.
Action ended 3:56:19: WixSchedFirewallExceptionsInstall. Return value 1.
Action start 3:56:19: CreateShortcuts.
Action ended 3:56:19: CreateShortcuts. Return value 1.
Action start 3:56:19: WriteRegistryValues.
Action ended 3:56:19: WriteRegistryValues. Return value 1.
Action start 3:56:19: WriteEnvironmentStrings.
Action ended 3:56:19: WriteEnvironmentStrings. Return value 1.
Action start 3:56:19: RegisterUser.
Action ended 3:56:19: RegisterUser. Return value 1.
Action start 3:56:19: RegisterProduct.
Action ended 3:56:19: RegisterProduct. Return value 1.
Action start 3:56:19: PublishFeatures.
Action ended 3:56:19: PublishFeatures. Return value 1.
Action start 3:56:19: PublishProduct.
Action ended 3:56:19: PublishProduct. Return value 1.
Action start 3:56:19: InstallFinalize.
SFXCA: Extracting custom action to temporary directory: C:\WINDOWS\Installer\MSIBF6F.tmp-\
SFXCA: Binding to CLR version v4.0.30319
Calling custom action Warp.Installer.Actions!Warp.Installer.Actions.CustomActions.InstallService
Begin InstallService
Checking for existing service...
Service.Status Stopped
Service already installed, updating binary path, status = Stopped
Executing action: sc.exe failure CloudflareWARP reset= 86400 actions= restart/0/restart/1000/restart/5000
-->  ChangeServiceConfig2 SUCCESS
Executing action: sc.exe failureflag CloudflareWARP 1
-->  ChangeServiceConfig2 SUCCESS
Stopping service CloudflareWARP...
Updating service binary path to: "C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe"
Executing action: sc.exe config CloudflareWARP binPath= "\"C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe"\" 
-->  ChangeServiceConfig SUCCESS
Starting service CloudflareWARP...
Executing action: sc.exe config CloudflareWARP start=AUTO
-->  ChangeServiceConfig SUCCESS
Service CloudflareWARP is now 'Running'.
ExecFirewallExceptions:  Entering ExecFirewallExceptions in C:\WINDOWS\Installer\MSIC1B2.tmp, version 3.11.4516.0
ExecFirewallExceptions:  Installing firewall exception2 Cloudflare WARP (C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe)
ExecFirewallExceptions:  Error 0x800706d9: failed trying to find existing app
ExecFirewallExceptions:  Error 0x800706d9: failed to add/update application exception for name 'Cloudflare WARP', file 'C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe'
CustomAction WixExecFirewallExceptionsInstall returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
Action ended 3:56:22: InstallFinalize. Return value 3.
ExecFirewallExceptions:  Entering ExecFirewallExceptions in C:\WINDOWS\Installer\MSIC1E2.tmp, version 3.11.4516.0
ExecFirewallExceptions:  Uninstalling firewall exception2 Cloudflare WARP (C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe)
ExecFirewallExceptions:  Error 0x800706d9: failed to remove authorized app
ExecFirewallExceptions:  Error 0x800706d9: failed to remove application exception for name 'Cloudflare WARP', file 'C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe'
CustomAction WixRollbackFirewallExceptionsInstall returned actual error code 1603 but will be translated to success due to continue marking
Info 1903.Scheduling reboot operation: Deleting file C:\Program Files\Cloudflare\Cloudflare WARP\TBDC1F2.tmp. Must reboot to complete operation.
Action ended 3:56:22: INSTALL. Return value 3.
MSI (s) (C0:8C) [03:56:22:212]: Product: Cloudflare WARP -- Installation failed.

MSI (s) (C0:8C) [03:56:22:213]: Windows Installer installed the product. Product Name: Cloudflare WARP. Product Version: 24.1.7.1. Product Language: 1033. Manufacturer: Cloudflare, Inc.. Installation success or error status: 1603.
MSI (c) (B0:B8) [08:06:00:731]: Note: 1: 1708 
MSI (c) (B0:B8) [08:06:00:731]: Product: Cloudflare WARP -- Installation failed.

MSI (c) (B0:B8) [08:06:00:732]: Windows Installer installed the product. Product Name: Cloudflare WARP. Product Version: 24.1.7.1. Product Language: 1033. Manufacturer: Cloudflare, Inc.. Installation success or error status: 1603.

MSI (c) (B0:B8) [08:06:00:733]: Grabbed execution mutex.
MSI (c) (B0:B8) [08:06:00:733]: Cleaning up uninstalled install packages, if any exist
MSI (c) (B0:B8) [08:06:00:735]: MainEngineThread is returning 1603

This issue is still persistent in latest WARP .msi installers…

It happens too fast to cancel. Most people have SSDs which do the install process very fast…
I used msi extractor and placed those files in program files directory

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, then ran your commands:

C:\Program Files\Cloudflare\Cloudflare WARP>warp-cli.exe register
Warning: The “register” command will be deprecated in a future release. Please use “registration new” instead

Success

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Got it working… But it is only a temporary fix. Cloudflare must fix their installer issues…

Same problem. Used revo uninstaller, removed leftovers and can’t install it anymore.

EDIT
Cleaned registry by removing everything that mentions cloudflare


no effect
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Tried to repair windows installer (msi), used also windows tweaking msi reset tool…

C:\WINDOWS\system32>msiexec /unregister
C:\WINDOWS\system32>msiexec /regserver

used also windows tweaking msi reset tool…

No effect…

Tried to use troubleshooter to remove msi installer with product code {0AB76BA8-2365-4EE6-8E7D-B72FB99141B1}

Still no effect

Here are error lines from msi installer log file:

CustomAction WixExecFirewallExceptionsInstall returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
CustomAction WixRollbackFirewallExceptionsInstall returned actual error code 1603 but will be translated to success due to continue marking
MSI (c) (38:44) [11:12:13:217]: Windows Installer installed the product. Product Name: Cloudflare WARP. Product Version: 23.12.3.0. Product Language: 1033. Manufacturer: Cloudflare, Inc.. Installation success or error status: 1603.

Why cloudflare doesn’t offer installers as .exe files? I have never liked .msi installers, they were failing in similar ways back on Windows XP.

The only fix I found was … System restore.
Nothing else worked. Windows Installer troubleshooters were useless.

But the main problem still isn’t fully resolved. After restarting computer WARP service still can’t start so I changed services.msc config to this, and after 1 minute it retries and successfully turns on C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe.

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Similar issue: Cloudflare WARP: "Cloudflare WARP service is not available. Try rebooting."

I can’t install cloudflare warp anymore. I tried to remove any msi leftovers but it did not help.

I have finally found a solution… After 2 weeks of wasting time on this issue.

According to the log files above Cloudflare for some reason couldn’t add firewall exceptions and I had disabled Windows Defender and additional snap-ins via

and

After applying several revert scripts, restarting

I managed to finally install Cloudflare WARP.

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