Adobe Flash Update v30.0.0.134 Will Not Install

Is the date and time on your computer correct?  That's a simple problem that could cause certificate validation to fail.

If that doesn't help and you have a commodity wireless router, you might power-cycle it.  If the problem goes away, it's probably because the router was infected.  Those infections don't typically persist through a reboot of the router, but they'll come back as soon as the router is discovered and reinfected.  Update the firmware from a trusted, known-good machine to prevent the problem from recurring (and think about setting up a scheduled reminder to keep updating it, or consider upgrading to a modern router that keeps itself updated).

Also, a wipe and reinstall probably isn't a bad idea.  Something weird is happening.  It's not really passing the sniff-test for me.

I'd definitely bounce the router and apply any pending firmware updates before re-imaging, just to be doubly sure that you're getting legitimate payloads.  It's pretty unlikely as there are multiple redundant defenses against getting impostor binaries or patches (nobody writing installers or updaters trusts the Internet to just deliver the bits to you untouched), but you might as well reduce the risk that your router is hostile to zero.

We'll need to review the installation log files to review further.  Please provide the following files for the same installation attempt:

• FlashInstal32.log saved at C:\Windows\SysWow64\Macromed\Flash
• FlashInstall64.log saved at C:\Windows\System32\Macromed\Flash
• Adobe_ADM.log saved at C:\Users\<YourUserID>\AppData\Local\Temp\Adobe_ADMLogs
• Adobe_GDE.log saved at C:\Users\<YourUserID>\AppData\Local\Temp\Adobe_ADMLogs

Upload the files to cloud.acrobat.com/send using the instructions at How to share a file using Adobe Document Cloud or some other file sharing service of your choice that doesn't require user account login.  Post the link to the uploaded files in your reply.

Thank you

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Maria

did you try with another computer/network? are you using any anti-malware or anti-virus?