How to Fix Isdone.dll/Unarc.dll Returned an Error Code: -1/5/6/7/11/12/14 (9 Methods).

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Commands used in this video.

Method 3: Disk Clean up
takeown /F C:\$Windows.~WS\* /R /A
icacls C:\$Windows.~WS\*.* /T /grant administrators:F
rmdir /S /Q C:\$Windows.~WS\

Method 5: Run the Deployment Image Servicing and Management (DISM) Tool
DISM.exe /Online /Cleanup-image /Restorehealth

Method 6: Improve performance by optimizing your hard drive
1. Improve performance by Repairing Bad Sectors in Hard Drive
Type: chkdsk space /f /r

Method 9:Re-register dll file using regsvr32 Tool

An error occurred while unpacking: archive corrupted!
ERROR: archive data corrupted (decompression fails)

[MrDarkly]

Solution i did was i killed all background running security antivirus and cleaning softwares and windows defender and cleaned registry using cc cleaner and cleaned temp files (win+r) temp, %temp%, prefetch. it really works try it

[sayhitoKEN]

Disk cleanup:- I tried my best senpai
Comand prompt:- *hold my beer*

[semsentido]

i get this error installing the sims 4

[jemarbandiola]

help po pls!!!! unarc.dll returned an error code 14
Error-this is not freearc or archive is sa marvel vs capcom

[devanshugautam]

Thankyou man I am very satisfied after using your methods you are truly an angel

[MrMrtvozornik]

i feel ashamed but first suggestion actually fixed my problem. still watched whole vid and liked

[livealittle]

Been using computer for 20 years. This is the first time I'm encountered this error. So strange. 🤦🏽‍♂️ Tried to install L.A Noire but ended getting unarc.dll error

[mr.nthanneres]

my error is: an error occurred while unpacking: archive corrupted unarc.dll returned an error code: -7 error: archive data corrupted (decompression fails) what a do ?

[AnilKumarPatel-jzky]

when I am installing ac unity it's says unarc.dll returned an error code 14
Error-this is not freearc or archive is corrupt
please help

[sybertolledo]

I get Unarc.dll Returned an Error Code: -1 while installing Nier:Automata Please help :(

[robii._]

The compatibility one worked for me tank you so much

[BestmankTv]

I really like your tuts :).Keep it up!
+1sub







And you don't need to use a robot voice in my opinion.You don't have a bad voice (that's what I saw in another tutorials on ur channel). ;)

[AtesStudios]

Only start Windows in Safe Mode and launch game

[mokarim]

i get unarc.dll returned an error code: 2

[DiegoHaro]

Like and fav, thank you very much, after 2 days i solved it

[Cludensyo]

Noice The clean boot worked for me thanks!

[paarth]

Dude I am getting error code 8. What should I do? I have tried almost everything!!!! I was trying to install bioshock infinite xatab

[semirucucu]

First methot has worked, i liked video ty

[theonly]

dam brow! I don't know what to say after months of searching for a solution finallyt found it, the DISM.exe /Online /Cleanup-image /Restorehealth
worked for me thanks!

[trailers]

i get Unarc.dll returened an Error Code ; -12 and Error -14 while installing please help me