EAP Update 403 error (again) Follow

what IDE version did you update from?

I am currently on WS-202.5103.5 (June 2)

The update is for WS-202.5428.27

please reproduce the issue and share your log folder zipped

2020-06-18 06:19:07,551 [89339640] INFO - cloudConfig.CloudConfigManager - === Start.updateConnection ===
2020-06-18 06:19:07,551 [89339640] INFO - cloudConfig.CloudConfigManager - === doConnect ===
2020-06-18 06:19:07,552 [89339641] INFO - cloudConfig.CloudConfigManager - === getConnectionState ===
2020-06-18 07:54:29,384 [95061473] INFO - cloudConfig.CloudConfigManager - === Start.updateConnection ===
2020-06-18 07:54:29,385 [95061474] INFO - cloudConfig.CloudConfigManager - === doConnect ===
2020-06-18 07:54:29,385 [95061474] INFO - cloudConfig.CloudConfigManager - === getConnectionState ===
2020-06-18 08:08:03,220 [95875309] WARN - eSettings.impl.UpdateInstaller - Request failed with status code 403
com.intellij.util.io.HttpRequests$HttpStatusException: Request failed with status code 403. Status=403, Url=https://download.jetbrains.com/webstorm/WS-202.5103.5-202.5428.27-patch-jbr11-x86-win.jar
at com.intellij.util.io.HttpRequests.throwHttpStatusError(HttpRequests.java:644)
at com.intellij.util.io.HttpRequests.openConnection(HttpRequests.java:625)
at com.intellij.util.io.HttpRequests.access$300(HttpRequests.java:57)
at com.intellij.util.io.HttpRequests$RequestImpl.getConnection(HttpRequests.java:376)
at com.intellij.util.io.HttpRequests$RequestImpl.getInputStream(HttpRequests.java:385)
at com.intellij.util.io.HttpRequests$RequestImpl.saveToFile(HttpRequests.java:461)
at com.intellij.util.io.RequestBuilder.lambda$saveToFile$1(RequestBuilder.java:69)
at com.intellij.util.io.HttpRequests.doProcess(HttpRequests.java:517)
at com.intellij.util.io.HttpRequests.process(HttpRequests.java:499)
at com.intellij.util.io.HttpRequests.access$100(HttpRequests.java:57)
at com.intellij.util.io.HttpRequests$RequestBuilderImpl.connect(HttpRequests.java:350)
at com.intellij.util.io.RequestBuilder.saveToFile(RequestBuilder.java:69)
at com.intellij.openapi.updateSettings.impl.UpdateInstaller.downloadPatchChain(UpdateInstaller.kt:61)
at com.intellij.openapi.updateSettings.impl.UpdateInfoDialog$5.run(UpdateInfoDialog.java:238)
at com.intellij.openapi.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:935)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressAsync$5(CoreProgressManager.java:442)
at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$3(ProgressRunner.java:235)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:170)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:629)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:581)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:157)
at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:235)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:668)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:665)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:665)
at java.base/java.lang.Thread.run(Thread.java:834)
2020-06-18 08:35:43,268 [97535357] INFO - .diagnostic.PerformanceWatcher - Find Usages took 950ms; general responsiveness: ok; EDT responsiveness: 1/1 sluggish
2020-06-18 08:35:53,899 [97545988] INFO - .diagnostic.PerformanceWatcher - Find Usages took 237ms; general responsiveness: ok; EDT responsiveness: ok

I wonder where the "-x86" suffix comes from... Did you choose to download the (optional) x86 runtime during 2020.2 EAP installation?